The 16th Czechoslovak Equadiff
Equadiff 2026
Scientific Programme · Prague, June 29 – July 3, 2026
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Registration & Welcome Reception start already on Sunday, June 28 at 6 pm
The registration and welcome reception starts already on Sunday June 28, 2026 at 6 pm at the conference venue. We recommend all participants to register already on Sunday evening. If needed, the registration will be open also on Monday morning and throughout the whole conference.
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PDEPartial Differential Equations
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ODEOrdinary Differential Equations
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NUMNumerical Analysis & Applications
9:00–9:20
Opening Ceremony
Chair: Tomáš Vejchodský
Hall RB 101
9:20–10:20
Babuška–Kurzweil Lecture · PDE
Variational models for phase separation in heterogeneous media
Irene Fonseca · Carnegie Mellon University ↗ PDF
Chair: Šárka Nečasová
Hall RB 101
📡 Plenary lectures are live-streamed to Quattro Modulare
10:20–10:50
☕ Coffee break
10:50–11:50
Plenary Lecture · ODE
A spectral approach to computer-assisted proofs in dynamics
Jan Bouwe van den Berg · Vrije Universiteit Amsterdam ↗ PDF
Chair: Jason Mireles James
Hall RB 101
📡 Plenary lectures are live-streamed to Quattro Modulare
12:00–12:40
12:40–14:00
🍽 Lunch break
14:00–16:00Parallel sessions
PDE
Hall NB AP0314:00–18:30
Elliptic & Parabolic PDE in Geometric Analysis
Chairs: Anna Skorobogatova, Salvatore Stuvard
8 talks▼
14:00
Non-uniqueness of locally-minimizing clusters
Anna Skorobogatova↗ PDF
14:30
Phase transitions with bounded index: Parallels to De Giorgi's conjecture
Enric Florit-Simon↗ PDF
15:00
Stationary points of conformally invariant polyconvex energies
Riccardo Tione↗ PDF
15:30
Global minimality of the Hopf map in the Faddeev-Skyrme model with large coupling constant
Konstantinos Zemas↗ PDF
16:30
Brakke's mean curvature flows: an overview
Salvatore Stuvard↗ PDF
17:00
Backwards uniqueness and rates of singularity formation in mean curvature flow
Joshua Daniels-Holgate↗ PDF
17:30
Non-local constrained curvature flows within non-flat ambients
Esther Cabezas-Rivas↗ PDF
18:00
On the singular set of fractional harmonic maps
Alessandro Audrito↗ PDF
Hall NB BP0814:00–18:30
Analysis of Thin & Heterogeneous Structures in Materials Science
Chairs: Igor Velčić, Carolin Kreisbeck, Marin Bužančić
8 talks▼
14:00
The effects of pressure loads in the dimension reduction of elasticity models
Martin Kružík↗ PDF
14:30
Variational derivation of the Flamant solution for a nonlinear elastic wedge
Dominik Engl↗ PDF
15:00
Variational models for material voids: dimension reduction and homogenization
Manuel Friedrich↗ PDF
15:30
Homogenization in magnetoelasticity under small elastic response
Lorenza D'Elia↗ PDF
16:30
Rigorous derivation of a Biot-plate-system for a thin poroelastic layer
Markus Gahn↗ PDF
17:00
Poroelastic plate model obtained by simultaneous homogenization and dimension reduction
Josip Žubrinić↗ PDF
17:30
Homogenization of elasto-plastic plate equations with vanishing hardening
Marin Bužančić↗ PDF
18:00
Simultaneous dimensional reduction and homogenization in manifold constrained function spaces
Elvira Zappale↗ PDF
Hall NB CP0514:00–18:30
Patterns in Networked Systems: Theory and Applications
Chairs: Babette de Wolff, Sören von der Gracht
7 talks▼
14:00
Computing phase dynamics in delay-coupled oscillators
Babette de Wolff↗ PDF
14:30
Emergent spatiotemporal dynamics in large-scale brain networks with next generation neural mass models
Gemma Huguet↗ PDF
15:00
Stability of phase-locked states in signed Kuramoto networks: structure versus adaptation
Jaeyoung Yoon↗ PDF
15:30
Phase synchronisation in coupled oscillator chains with endpoint heterogeneity
Nicolas Verschueren van Rees↗ PDF
16:30
Switching states: heteroclinic cycles as organizing centers of neuronal dynamics
Kateryna Nechyporenko↗ PDF
17:00
Heteroclinic networks in coupled cell systems
Liliana Sofia Garrido da Silva↗ PDF
17:30
Directed hypernetworks: heteroclinic dynamics and reluctant synchrony breaking
Sören von der Gracht↗ PDF
Hall NB DP0614:00–16:00
Multiscale Analysis of Self-Organization: Hydrodynamic & Kinetic Frameworks
Chairs: Ewelina Zatorska, Roman Shvydkoy
4 talks▼
14:00
Spectral analysis of Bochner-positive alignment models and application to relaxation
Roman Shvydkoy↗ PDF
14:30
Self-attention as a multi-agent system: a dynamical perspective on transformers
Jan Peszek↗ PDF
15:00
Global solutions to cross-diffusion systems with independent advections in one dimension
Jakub Skrzeczkowski↗ PDF
15:30
Existence and weak-strong uniqueness of measure solutions to Euler-alignment/Aw-Rascle-Zhang model
Ewelina Zatorska↗ PDF
NUM
Hall RB 101N0914:00–18:30
New Trends in Discontinuous Galerkin Method
Chairs: Vít Dolejší, Václav Kučera
8 talks▼
14:00
Oscillation-free discontinuous Galerkin method for conservation laws
Chi-Wang Shu↗ PDF
14:30
L²-stability of explicit Runge-Kutta methods with SUPG stabilization for transient transport problems
Alexandre Ern↗ PDF
15:00
Entropy stable DGSEM for multi-fluid 5-moment GLM-Maxwell systems
Daniel Bach↗ PDF
15:30
DG = FEM + flat elements
Václav Kučera↗ PDF
16:30
A simple and general framework for the construction of exactly div-curl-grad compatible DG FE schemes on unstructured simplex meshes
Michael Dumbser↗ PDF
17:00
Structure-preserving PolyDG discretizations for the numerical modeling of neurodegenerative diseases
Francesca Bonizzoni
17:30
Positivity-preserving stationarity preserving PAMPA-DG scheme with global flux quadrature
Yongle Liu↗ PDF
18:00
Adaptive domain decomposition preconditioners for discontinuous Galerkin discretization
Vít Dolejší↗ PDF
Hall RB 209N0514:00–18:30
Numerical Aspects of Machine Learning for PDEs
Chairs: Nicola Rares Franco, Simone Brivio
8 talks▼
14:00
Deep symmetric autoencoders: error estimates and beyond
Simone Brivio↗ PDF
14:30
Preconditioning and numerical stability in neural network training for parametric PDEs
Chenguang Duan↗ PDF
15:00
A hybrid approach for surrogate modeling of a methanation reactor
Ion Victor Gosea↗ PDF
15:30
Convergence and sketching-based efficient computation of neural tangent kernel weights in physics-based loss
Max Hirsch↗ PDF
16:30
Learning the continuous-time dynamics: from trajectories to velocities
Nicola Farenga↗ PDF
17:00
Low-rank surrogates for parametric PDEs
Benno Huber↗ PDF
17:30
Discovering adaptive basis representations for parametrized PDEs with deep orthogonal decomposition: theory and practice
Nicola Rares Franco↗ PDF
18:00
Neural network-based numerical methods for one-dimensional conservation laws
Vendel Péter Kupás↗ PDF
Hall RB 210N0714:00–16:00
Mathematical Modelling and Numerical Methods in Finance
Chairs: Íñigo Arregui, Daniel Ševčovič
4 talks▼
14:00
Jump-diffusion models for the generation rate in the pricing of renewable energy certificates
Pablo Pérez Picos↗ PDF
14:30
Partial integro-differential equations and their applications in financial modeling
Daniel Ševčovič↗ PDF
15:00
Matrix Riccati BSDEs with singular terminal condition and stochastic LQ control with linear terminal constraint
Petr Petrov↗ PDF
15:30
Pricing American real options with double continuation region under Heston model
Íñigo Arregui↗ PDF
ODE
Quattro ModulareD0114:00–18:30
Oscillations in Dynamical Systems
Chairs: Joan Torregrosa, Peter De Maesschalck
8 talks▼
14:00
Slow-fast solutions of Abel equations
Maria Jesus Alvarez↗ PDF
14:30
Isolated periodic orbits in behavioristic diffusion models
Robert Kooij↗ PDF
15:00
A geometric approach to exponentially small splitting phenomena
Kristian Uldall Kristiansen↗ PDF
15:30
Unfoldings of limit cycles in families of centers
Joan Torregrosa↗ PDF
16:30
C¹ perturbations of a continuum of critical points
Antonio Urena↗ PDF
17:00
A systematic study of two-layer canard cycles
Peter De Maesschalck↗ PDF
17:30
Computer assisted study of a perturbed planar vector field in the quadratic case
Zbigniew Galias↗ PDF
18:00
Center conditions and cyclicity for generic planar polynomial vector fields
Warwick Tucker↗ PDF
Likešova auditoriumD0814:00–18:30
Asymptotic Theory of Differential Equations of Real Orders
Chairs: Pavel Řehák, Luděk Nechvátal
8 talks▼
14:00
Stability of linear systems and two-term equations with Prabhakar derivatives: spectral criteria and computations
Eva Kaslik↗ PDF
14:30
Fractional initial and boundary value problems: from qualitative analysis to applications
Kateryna Marynets↗ PDF
15:00
Asymptotic stability of linear differential equations with discrete and distributed delays
Hideaki Matsunaga↗ PDF
15:30
Period two implies chaos for a class of ODEs revisited
Jan Andres↗ PDF
16:30
Asymptotic behavior and stability of nonautonomous linear differential equations with Kirchhoff coefficients
Mihály Pituk↗ PDF
17:00
From fractional differential to difference equations: a stability perspective
Luděk Nechvátal↗ PDF
17:30
Tempered Psi-fractional calculus: integral inequalities and their applications
Michal Pospíšil↗ PDF
18:00
Fractional integration and differentiation of asymptotic relations and applications in fractional differential equations
Pavel Řehák↗ PDF
Hall RB 213D0414:00–16:00
Nonlocal Evolution Problems in Abstract Spaces
Chair: Valentina Taddei
4 talks▼
14:00
Nonlocal differential problems in abstract spaces
Irene Benedetti↗ PDF
14:30
On impulsive problems driven by second order differential inclusions
Giulia Duricchi↗ PDF
15:00
Controllability of semilinear second-order differential equations in abstract spaces
Martina Pavlačková↗ PDF
15:30
Evolution problems with nonlocal equations and constraints: a survey
Radu Precup↗ PDF
16:00–16:30
☕ Coffee break & Posters
16:30–18:30Parallel sessions
PDE
Hall NB AP03 (cont.)14:00–18:30
Elliptic & Parabolic PDE in Geometric Analysis
Chairs: Anna Skorobogatova, Salvatore Stuvard
8 talks▼
14:00
Non-uniqueness of locally-minimizing clusters
Anna Skorobogatova↗ PDF
14:30
Phase transitions with bounded index: Parallels to De Giorgi's conjecture
Enric Florit-Simon↗ PDF
15:00
Stationary points of conformally invariant polyconvex energies
Riccardo Tione↗ PDF
15:30
Global minimality of the Hopf map in the Faddeev-Skyrme model with large coupling constant
Konstantinos Zemas↗ PDF
16:30
Brakke's mean curvature flows: an overview
Salvatore Stuvard↗ PDF
17:00
Backwards uniqueness and rates of singularity formation in mean curvature flow
Joshua Daniels-Holgate↗ PDF
17:30
Non-local constrained curvature flows within non-flat ambients
Esther Cabezas-Rivas↗ PDF
18:00
On the singular set of fractional harmonic maps
Alessandro Audrito↗ PDF
Hall NB BP08 (cont.)14:00–18:30
Analysis of Thin & Heterogeneous Structures in Materials Science
Chairs: Igor Velčić, Carolin Kreisbeck, Marin Bužančić
8 talks▼
14:00
The effects of pressure loads in the dimension reduction of elasticity models
Martin Kružík↗ PDF
14:30
Variational derivation of the Flamant solution for a nonlinear elastic wedge
Dominik Engl↗ PDF
15:00
Variational models for material voids: dimension reduction and homogenization
Manuel Friedrich↗ PDF
15:30
Homogenization in magnetoelasticity under small elastic response
Lorenza D'Elia↗ PDF
16:30
Rigorous derivation of a Biot-plate-system for a thin poroelastic layer
Markus Gahn↗ PDF
17:00
Poroelastic plate model obtained by simultaneous homogenization and dimension reduction
Josip Žubrinić↗ PDF
17:30
Homogenization of elasto-plastic plate equations with vanishing hardening
Marin Bužančić↗ PDF
18:00
Simultaneous dimensional reduction and homogenization in manifold constrained function spaces
Elvira Zappale↗ PDF
Hall NB CP05 (cont.)14:00–18:30
Patterns in Networked Systems: Theory and Applications
Chairs: Babette de Wolff, Sören von der Gracht
7 talks▼
14:00
Computing phase dynamics in delay-coupled oscillators
Babette de Wolff↗ PDF
14:30
Emergent spatiotemporal dynamics in large-scale brain networks with next generation neural mass models
Gemma Huguet↗ PDF
15:00
Stability of phase-locked states in signed Kuramoto networks: structure versus adaptation
Jaeyoung Yoon↗ PDF
15:30
Phase synchronisation in coupled oscillator chains with endpoint heterogeneity
Nicolas Verschueren van Rees↗ PDF
16:30
Switching states: heteroclinic cycles as organizing centers of neuronal dynamics
Kateryna Nechyporenko↗ PDF
17:00
Heteroclinic networks in coupled cell systems
Liliana Sofia Garrido da Silva↗ PDF
17:30
Directed hypernetworks: heteroclinic dynamics and reluctant synchrony breaking
Sören von der Gracht↗ PDF
Hall NB DP0916:30–18:00
Fluid Mechanics and Turbulence
Chair: Cherif Amrouche
4 talks▼
16:30
Existence of solutions for motions of Cosserat-Bingham fluids
Michael Růžička↗ PDF
17:00
Improving accuracy in eddy viscosity turbulence models through filtering and approximate deconvolution
Argus-Adrian Dunca↗ PDF
17:30
Reduced basis Smagorinsky turbulence models
Tomás Chacón Rebollo↗ PDF
18:00
Discussion
—
NUM
Hall RB 101N09 (cont.)14:00–18:30
New Trends in Discontinuous Galerkin Method
Chairs: Vít Dolejší, Václav Kučera
8 talks▼
14:00
Oscillation-free discontinuous Galerkin method for conservation laws
Chi-Wang Shu↗ PDF
14:30
L²-stability of explicit Runge-Kutta methods with SUPG stabilization for transient transport problems
Alexandre Ern↗ PDF
15:00
Entropy stable DGSEM for multi-fluid 5-moment GLM-Maxwell systems
Daniel Bach↗ PDF
15:30
DG = FEM + flat elements
Václav Kučera↗ PDF
16:30
A simple and general framework for the construction of exactly div-curl-grad compatible DG FE schemes on unstructured simplex meshes
Michael Dumbser↗ PDF
17:00
Structure-preserving PolyDG discretizations for the numerical modeling of neurodegenerative diseases
Francesca Bonizzoni
17:30
Positivity-preserving stationarity preserving PAMPA-DG scheme with global flux quadrature
Yongle Liu↗ PDF
18:00
Adaptive domain decomposition preconditioners for discontinuous Galerkin discretization
Vít Dolejší↗ PDF
Hall RB 209N05 (cont.)14:00–18:30
Numerical Aspects of Machine Learning for PDEs
Chairs: Nicola Rares Franco, Simone Brivio
8 talks▼
14:00
Deep symmetric autoencoders: error estimates and beyond
Simone Brivio↗ PDF
14:30
Preconditioning and numerical stability in neural network training for parametric PDEs
Chenguang Duan↗ PDF
15:00
A hybrid approach for surrogate modeling of a methanation reactor
Ion Victor Gosea↗ PDF
15:30
Convergence and sketching-based efficient computation of neural tangent kernel weights in physics-based loss
Max Hirsch↗ PDF
16:30
Learning the continuous-time dynamics: from trajectories to velocities
Nicola Farenga↗ PDF
17:00
Low-rank surrogates for parametric PDEs
Benno Huber↗ PDF
17:30
Discovering adaptive basis representations for parametrized PDEs with deep orthogonal decomposition: theory and practice
Nicola Rares Franco↗ PDF
18:00
Neural network-based numerical methods for one-dimensional conservation laws
Vendel Péter Kupás↗ PDF
Hall RB 210N1416:30–18:30
Advances in the Numerical Investigation of Delay Equations
Chairs: Dimitri Breda, Alessia Andò
4 talks▼
16:30
Functional Runge-Kutta methods for stochastic delay differential equations
Dimitri Breda↗ PDF
17:00
The Hopf bifurcation for neutral delay differential equations with state-dependent delay
Ahlam Alhadbani↗ PDF
17:30
Towards a proof of chaotic dynamics in the Mackey-Glass equation
Olivier Hénot↗ PDF
18:00
Extracting tent maps from the Mackey-Glass attractor
Davide Di Lenarda↗ PDF
ODE
Quattro ModulareD01 (cont.)14:00–18:30
Oscillations in Dynamical Systems
Chairs: Joan Torregrosa, Peter De Maesschalck
8 talks▼
14:00
Slow-fast solutions of Abel equations
Maria Jesus Alvarez↗ PDF
14:30
Isolated periodic orbits in behavioristic diffusion models
Robert Kooij↗ PDF
15:00
A geometric approach to exponentially small splitting phenomena
Kristian Uldall Kristiansen↗ PDF
15:30
Unfoldings of limit cycles in families of centers
Joan Torregrosa↗ PDF
16:30
C¹ perturbations of a continuum of critical points
Antonio Urena↗ PDF
17:00
A systematic study of two-layer canard cycles
Peter De Maesschalck↗ PDF
17:30
Computer assisted study of a perturbed planar vector field in the quadratic case
Zbigniew Galias↗ PDF
18:00
Center conditions and cyclicity for generic planar polynomial vector fields
Warwick Tucker↗ PDF
Likešova auditoriumD08 (cont.)14:00–18:30
Asymptotic Theory of Differential Equations of Real Orders
Chairs: Pavel Řehák
8 talks▼
14:00
Stability of linear systems and two-term equations with Prabhakar derivatives: spectral criteria and computations
Eva Kaslik↗ PDF
14:30
Fractional initial and boundary value problems: from qualitative analysis to applications
Kateryna Marynets↗ PDF
15:00
Asymptotic stability of linear differential equations with discrete and distributed delays
Hideaki Matsunaga↗ PDF
15:30
Period two implies chaos for a class of ODEs revisited
Jan Andres↗ PDF
16:30
Asymptotic behavior and stability of nonautonomous linear differential equations with Kirchhoff coefficients
Mihály Pituk↗ PDF
17:00
From fractional differential to difference equations: a stability perspective
Luděk Nechvátal↗ PDF
17:30
Tempered Psi-fractional calculus: integral inequalities and their applications
Michal Pospíšil↗ PDF
18:00
Fractional integration and differentiation of asymptotic relations and applications in fractional differential equations
Pavel Řehák↗ PDF
Hall RB 213D0916:30–18:30
Integration Theory in Applications to Differential Equations and Beyond
Chair: Antonín Slavík
4 talks▼
16:30
The Kurzweil integral in hysteresis modeling
Giselle Monteiro↗ PDF
17:00
The kernel of the Stieltjes derivative in the analysis of Cauchy problems
Fernando Adrián Fernández Tojo↗ PDF
17:30
Differentiability of the solution operator of a sweeping process
Martin Brokate↗ PDF
18:00
Koopman semigroups on Lebesgue spaces
Pedro J. Miana↗ PDF
9:00–10:00
Plenary Lecture · NUM / AI
AI for data-driven simulations in physics
Siddhartha Mishra · ETH Zurich ↗ PDF
Chair: Paolo Zunino
Hall RB 101
📡 Plenary lectures are live-streamed to Quattro Modulare
10:00–10:30
☕ Coffee break
10:30–12:30Parallel sessions
PDE
Hall NB AP0410:30–16:00
Variational Methods in PDEs and Continuum Mechanics
Chairs: Martin Kružík, Barbora Benešová
8 talks▼
10:30
A two-dimensional variational approach to the modelling of ferronematic thin films
Anja Schlömerkemper↗ PDF
11:00
Nonlinear models in thermo-viscoelasticity
Manuel Friedrich↗ PDF
11:30
Problems with inertia and their variational limits
Malte Kampschulte↗ PDF
12:00
Linearization in elastodynamics
Barbora Benešová↗ PDF
14:00
Existence and selection in the solutions in the energy-variational framework
Robert Lasarzik↗ PDF
14:30
An effective damage and fracture model based on micro-structure
Dorothee Knees↗ PDF
15:00
Derivation of membrane models in nonlocal hyperelasticity
Anastasia Molchanova↗ PDF
15:30
Core-radius approximation of singular minimizers in nonlinear elasticity
Marco Bresciani↗ PDF
Hall NB BP0210:30–16:00
Analysis of Singular Limit Problems Arising in Fluid Dynamics
Chairs: Francesco Fanelli, Eduard Feireisl
7 talks▼
10:30
Continuous data assimilation for compressible temperature driven fluids
Eduard Feireisl↗ PDF
11:00
Incompressible limits at large Mach number for a reduced compressible MHD system
Aneta Wróblewska-Kamińska↗ PDF
11:30
High and low-Mach number regimes for capillary fluids
Matteo Caggio↗ PDF
12:00
Hydrodynamic limit of the kinetic Cucker-Smale model toward the incompressible Euler-alignment model
David Poyato↗ PDF
14:00
Dynamics of a large system of heavy particles in a Newtonian fluid
Arnab Roy↗ PDF
14:30
Derivation of the Vlasov-Stokes equation — the monokinetic and the small-inertia case
Richard Höfer↗ PDF
15:00
Recent progresses in the asymptotic dynamics of fast rotating fluids
Francesco Fanelli↗ PDF
Hall NB CP1110:30–12:30
Uniqueness & Multiplicity of Positive Solutions of Nonlinear Spectral Problems
Chairs: Peter Takáč, Petr Girg
4 talks▼
10:30
An elliptic spectral problem with concave and convex nonlinearity: positive solutions
Peter Takáč↗ PDF
11:00
On time-dependent Schrödinger equations constrained by measurements
Jochen Merker↗ PDF
11:30
On the multiplicity of positive solutions for spatially nonhomogeneous elliptic problems
Petr Girg↗ PDF
12:00
Numerical construction of multiple positive solutions of an elliptic problem with concave and convex nonlinearity
Jiří Benedikt↗ PDF
Hall NB DP1310:30–12:30
Stochastic & Deterministic Mixed Type Problems: Parabolic/Hyperbolic/Elliptic
Chairs: Nikolai Chemetov, Jeffrey Kuan
4 talks▼
10:30
A Smoluchowski-Kramers approximation for the stochastic variational wave equation
Julien Vovelle↗ PDF
11:00
Moving boundary problems in fluid-poroelastic structure interaction
Jeffrey Kuan↗ PDF
11:30
Structure-preserving LDG methods for linear and nonlinear transport equations with gradient noise
Thomas Christiansen↗ PDF
12:00
Global solvability for a stochastic hyperbolic Keller-Segel system
Nikolai Chemetov↗ PDF
NUM
Hall RB 101N1010:30–12:30
Numerical Methods for Fluid-Structure Interaction Problems
Chairs: Petr Sváček, Jan Valášek
4 talks▼
10:30
Numerical approximation of fluid-structure interaction: from mathematical modeling to applications
Petr Sváček↗ PDF
11:00
Fluid-structure interaction algorithm for an elastic structure with large deformations
Ondřej Bublík↗ PDF
11:30
Efficient linear finite element scheme for fluid–structure interaction: partitioned vs monolithic approach
Karel Tůma↗ PDF
12:00
Fluid–structure–acoustic interaction simulation motivated by human phonation
Jan Valášek↗ PDF
Hall RB 209N1310:30–15:30
Iterative Methods & Numerical Linear Algebra for Differential Equations
Chairs: Martin Jacob Gander, Michal Outrata
7 talks▼
10:30
Exploiting low-rank structures for the solution of PDEs
Davide Palitta↗ PDF
11:00
On direct multilevel solvers induced by AMG
Michal Outrata↗ PDF
11:30
Reliable waveform relaxation convergence estimates for atmosphere-ice-ocean coupling
Valentina Schüller↗ PDF
12:00
Iterative methods for fractional differential equations via the *-product
Stefano Pozza↗ PDF
14:00
H-LU preconditioners for the RBF-FD discretized Oseen equations
Michael Koch↗ PDF
14:30
Block-Jacobi preconditioners for advection problems
Ivo Dravins↗ PDF
15:00
Determining the space dependent coefficients in space-time fractional diffusion equations via Krylov preconditioning
Muhammad Faisal Khan↗ PDF
Hall RB 210N0310:30–12:30
Numerical Methods for PDE-Based Random Field Generation
Chairs: Robert Scheichl, Björn Müller
4 talks▼
10:30
Long-time behavior of some stochastic evolution equations on the sphere and their numerical discretizations
Björn Müller↗ PDF
11:00
Multigrid Monte Carlo revisited: fast sampling of Gaussian random fields
Eike Mueller↗ PDF
11:30
Level-set approximation of noisy functions
Matteo Croci↗ PDF
12:00
Dirichlet-Neumann averaging: efficient SPDE-based Gaussian process simulation
Robert Scheichl↗ PDF
ODE
Quattro ModulareD0310:30–16:00
Iterative & Topological Methods in Boundary Value Problems
Chairs: Alberto Cabada, Jan Tomeček
8 talks▼
10:30
Spectral characterization of the constant sign derivatives of Green's functions related to two-point BVPs
Alberto Cabada↗ PDF
11:00
Radial solutions to equation with inhomogeneous operator
Zuzana Došlá↗ PDF
11:30
Existence results for systems of first-order Stieltjes differential equations
Marlene Frigon↗ PDF
12:00
Maximum principle for the Hill equation: eigenvalue approach
Gabriela Holubová↗ PDF
14:00
Are nonlinear first order Caputo fractional differential equations solvable?
Kunquan Lan↗ PDF
14:30
On the existence of positive solutions to boundary value problems with Riemann-Liouville fractional derivatives
Satoshi Tanaka↗ PDF
15:00
Multiple solutions of Dirichlet problems to implicit differential equations and inclusions in billiard spaces
Jan Tomeček↗ PDF
15:30
Nonlinear effects in linear delay equations and linear approach to nonlinear models with delay mortality
Elena Braverman↗ PDF
Likešova auditoriumD0210:30–16:00
Delay Differential Equations and Applications
Chairs: Teresa Faria, Ábel Garab
8 talks▼
10:30
On simplicity of solution manifolds
Hans-Otto Walther↗ PDF
11:00
Connecting orbits for some Mackey-Glass type equations
Tibor Krisztin↗ PDF
11:30
Spectral element methods for boundary-value problems of functional differential equations
Alessia Andò↗ PDF
12:00
Discrete Lyapunov functional for cyclic systems of differential equations with time-variable or state-dependent delay
Ábel Garab↗ PDF
14:00
Impact of spatial heterogeneity in developmental delay on population dynamics
Jianhong Wu↗ PDF
14:30
On the geographic spread of Chikungunya between Brazil and Florida: a multi-patch model with time-delay
Jaqueline Godoy Mesquita↗ PDF
15:00
Blow-up and convergence of solutions to a differential equation with delayed negative feedback
Yukihiko Nakata↗ PDF
15:30
A nonautonomous chemostat system with delays
Teresa Faria↗ PDF
Hall RB 213D0610:30–12:30
Differential Equations for Living & Interacting Systems
Chairs: Josef Hofbauer, Cristina Pignotti
4 talks▼
10:30
Homogeneous Boltzmann-type equations on graphs
Andrea Tosin↗ PDF
11:00
Complex bifurcations generated by waning and boosting of immunity in infectious disease dynamics
Gergely Röst↗ PDF
11:30
Spontaneous particle aggregation with memory
Jan Haškovec↗ PDF
12:00
Dynamics of a piecewise smooth Ghil-Zaliapin-Thompson ENSO model
Tony Humphries↗ PDF
12:30–14:00
🍽 Lunch break
14:00–16:00Parallel sessions
PDE
Hall NB AP04 (cont.)10:30–16:00
Variational Methods in PDEs and Continuum Mechanics
Chairs: Martin Kružík, Barbora Benešová
8 talks▼
10:30
A two-dimensional variational approach to the modelling of ferronematic thin films
Anja Schlömerkemper↗ PDF
11:00
Nonlinear models in thermo-viscoelasticity
Manuel Friedrich↗ PDF
11:30
Problems with inertia and their variational limits
Malte Kampschulte↗ PDF
12:00
Linearization in elastodynamics
Barbora Benešová↗ PDF
14:00
Existence and selection in the solutions in the energy-variational framework
Robert Lasarzik↗ PDF
14:30
An effective damage and fracture model based on micro-structure
Dorothee Knees↗ PDF
15:00
Derivation of membrane models in nonlocal hyperelasticity
Anastasia Molchanova↗ PDF
15:30
Core-radius approximation of singular minimizers in nonlinear elasticity
Marco Bresciani↗ PDF
Hall NB BP02 (cont.)10:30–16:00
Analysis of Singular Limit Problems Arising in Fluid Dynamics
Chairs: Francesco Fanelli
7 talks▼
10:30
Continuous data assimilation for compressible temperature driven fluids
Eduard Feireisl↗ PDF
11:00
Incompressible limits at large Mach number for a reduced compressible MHD system
Aneta Wróblewska-Kamińska↗ PDF
11:30
High and low-Mach number regimes for capillary fluids
Matteo Caggio↗ PDF
12:00
Hydrodynamic limit of the kinetic Cucker-Smale model toward the incompressible Euler-alignment model
David Poyato↗ PDF
14:00
Dynamics of a large system of heavy particles in a Newtonian fluid
Arnab Roy↗ PDF
14:30
Derivation of the Vlasov-Stokes equation — the monokinetic and the small-inertia case
Richard Höfer↗ PDF
15:00
Recent progresses in the asymptotic dynamics of fast rotating fluids
Francesco Fanelli↗ PDF
Hall NB CP5114:00–16:00
Contributed talks — Partial Differential Equations
Chair: Jiří Benedikt
6 talks▼
14:00
The Dirichlet problem for the Laplacian in Lipschitz Domains
Cherif Amrouche↗ PDF
14:20
Oseen resolvent system with traction boundary conditions
Paul Deuring↗ PDF
14:40
Optimal Korn-Maxwell-Sobolev inequalities
Peter Lewintan↗ PDF
15:00
Second positive solution for spatially nonhomogeneous elliptic problem
Lukáš Kotrla↗ PDF
15:20
Homogenisation of high-contrast integral operators
Igor Velčić↗ PDF
15:40
On stabilization of hyperbolic FitzHugh-Nagumo model
Jamila Kalantarova↗ PDF
NUM
Hall RB 101N1214:00–16:00
Multiphysics Problems: Numerical Methods and Applications
Chairs: Sara Zahedi, Daniele Boffi
4 talks▼
14:00
Structure-preserving fully discrete methods for magnetoelastic materials
Michele Ruggeri↗ PDF
14:30
Hierarchical surrogate modeling for droplet-laden Stokes flows
Davide Pradovera↗ PDF
15:00
Domain decomposition with neural model order reduction for multiscale mixed-dimensional problems
Paolo Zunino↗ PDF
15:30
Unconditionally stable finite element scheme for fluid-structure interaction problems
Daniele Boffi↗ PDF
Hall RB 209N13 (cont.)10:30–15:30
Iterative Methods & Numerical Linear Algebra for Differential Equations
Chairs: Martin Jacob Gander, Michal Outrata
7 talks▼
10:30
Exploiting low-rank structures for the solution of PDEs
Davide Palitta↗ PDF
11:00
On direct multilevel solvers induced by AMG
Michal Outrata↗ PDF
11:30
Reliable waveform relaxation convergence estimates for atmosphere-ice-ocean coupling
Valentina Schüller↗ PDF
12:00
Iterative methods for fractional differential equations via the *-product
Stefano Pozza↗ PDF
14:00
H-LU preconditioners for the RBF-FD discretized Oseen equations
Michael Koch↗ PDF
14:30
Block-Jacobi preconditioners for advection problems
Ivo Dravins↗ PDF
15:00
Determining the space dependent coefficients in space-time fractional diffusion equations via Krylov preconditioning
Muhammad Faisal Khan↗ PDF
Hall RB 210N0814:00–16:00
Numerical Methods for Curvature Driven Flow
Chair: Tetsuya Ishiwata
4 talks▼
14:00
Numerical solution of Allen-Cahn equation for planar curvature flow with constraints
Michal Beneš↗ PDF
14:30
Unified numerical analysis of moving boundary problems via the stabilized SAV approach
Koya Sakakibara↗ PDF
15:00
A threshold-type algorithm for fourth order geometric motions
Katsuyuki Ishii↗ PDF
15:30
Stability and instability in anisotropic multi-phase interface evolution
Tokuhiro Eto↗ PDF
ODE
Quattro ModulareD03 (cont.)10:30–16:00
Iterative & Topological Methods in Boundary Value Problems
Chairs: Alberto Cabada, Marta García-Huidobro
8 talks▼
10:30
Spectral characterization of the constant sign derivatives of Green's functions related to two-point BVPs
Alberto Cabada↗ PDF
11:00
Radial solutions to equation with inhomogeneous operator
Zuzana Došlá↗ PDF
11:30
Existence results for systems of first-order Stieltjes differential equations
Marlene Frigon↗ PDF
12:00
Maximum principle for the Hill equation: eigenvalue approach
Gabriela Holubová↗ PDF
14:00
Are nonlinear first order Caputo fractional differential equations solvable?
Kunquan Lan↗ PDF
14:30
On the existence of positive solutions to boundary value problems with Riemann-Liouville fractional derivatives
Satoshi Tanaka↗ PDF
15:00
Multiple solutions of Dirichlet problems to implicit differential equations and inclusions in billiard spaces
Jan Tomeček↗ PDF
15:30
Nonlinear effects in linear delay equations and linear approach to nonlinear models with delay mortality
Elena Braverman↗ PDF
Likešova auditoriumD02 (cont.)10:30–16:00
Delay Differential Equations and Applications
Chairs: Teresa Faria, Ábel Garab
8 talks▼
10:30
On simplicity of solution manifolds
Hans-Otto Walther↗ PDF
11:00
Connecting orbits for some Mackey-Glass type equations
Tibor Krisztin↗ PDF
11:30
Spectral element methods for boundary-value problems of functional differential equations
Alessia Andò↗ PDF
12:00
Discrete Lyapunov functional for cyclic systems of differential equations with time-variable or state-dependent delay
Ábel Garab↗ PDF
14:00
Impact of spatial heterogeneity in developmental delay on population dynamics
Jianhong Wu↗ PDF
14:30
On the geographic spread of Chikungunya between Brazil and Florida: a multi-patch model with time-delay
Jaqueline Godoy Mesquita↗ PDF
15:00
Blow-up and convergence of solutions to a differential equation with delayed negative feedback
Yukihiko Nakata↗ PDF
15:30
A nonautonomous chemostat system with delays
Teresa Faria↗ PDF
Hall NB DD5014:00–15:00
Contributed talks — Ordinary Differential Equations
Chair: Irena Jadlovská
3 talks▼
16:00–16:30
☕ Coffee break & Posters
16:30–18:30Parallel sessions
PDE
Hall NB AP5216:30–18:30
Contributed talks — Partial Differential Equations
Chair: Jeffrey Kuan
5 talks▼
16:30
On the characteristic form of g-valued zero-curvature representations
Jirina Jahnova↗ PDF
16:50
Asymptotic behavior for the Maxwell-Dirac system in Lorenz and Coulomb gauges
Kiyeon Lee↗ PDF
17:10
Lie group analysis, group-invariant solutions and conservation laws of a family of coupled nonlinear Schrödinger equations
Vassil Vassilev↗ PDF
17:30
Regularity for a denoising model on manifolds
Salvador Moll↗ PDF
17:50
Large time-periodic solutions to nonlinear wave equations
Filip Ficek↗ PDF
Hall NB BP5316:30–18:30
Contributed talks — Partial Differential Equations
Chair: Ondřej Kreml
6 talks▼
16:30
Per aquam ad astra: on stars (and) boiling water
Florian Oschmann↗ PDF
16:50
Qualitative and quantitative homogenization of some non-Newtonian flows in perforated domains
Yong Lu↗ PDF
17:10
On the continuity in time of solutions to a generalized Navier-Stokes-Fourier system
Petr Kaplický↗ PDF
17:30
Existence and weak-strong uniqueness of measure solutions to Euler-alignment/Aw-Rascle-Zhang models
Jakub Woznicki↗ PDF
17:50
Nonstationary non-Newtonian fluid flow in a thin tube structure
Borja Rukavina↗ PDF
18:10
Weak-strong uniqueness and relaxation limit for a parabolic relaxation of the Navier-Stokes-Korteweg system
Florian Wendt↗ PDF
Hall NB CP5416:30–18:30
Contributed talks — Partial Differential Equations
Chair: Lukáš Kotrla
6 talks▼
16:30
Modular topology approach to the non-homogeneous Dirichlet problem for the p(x)-Laplacian
Jan Lang↗ PDF
16:50
Traveling waves in reaction-diffusion-convection problems with p-Laplacian-type diffusion
Michaela Zahradníková↗ PDF
17:10
Solvability of nonlinear coupled systems including Katugampola fractional and p-Laplacian operators
Pratibha Verma↗ PDF
17:30
The Brezis-Nirenberg problem: from the local to the nonlocal setting
Raffaella Servadei↗ PDF
17:50
Exact low multiplicity results for positive solutions of some sublinear problem with indefinite weights under Robin boundary conditions
Kenichiro Umezu↗ PDF
18:10
String stability for hysteretic flows
Haitao Fan↗ PDF
NUM
Hall RB 101N5116:30–18:30
Contributed talks — Numerical Analysis
Chair: Petr Sváček
5 talks▼
16:30
Mixed-dimensional modeling for flow in fractured porous and poroelastic media
Maximilian Hörl↗ PDF
16:50
Phase-field modeling of fluid-driven fracture in porous media with application to desiccation cracking
Sayahdin Alfat↗ PDF
17:10
Boundary control and data assimilation for Navier–Stokes flows with applications to hemodynamics
Jorge Tiago↗ PDF
17:30
Impact of turbulence modeling on hemodynamic risk indicators for aortic dissection
Anne von Nida↗ PDF
17:50
A Robin–Robin domain decomposition method for Stokes–Darcy problems with generalised coupling conditions
Paula Strohbeck↗ PDF
Hall RB 209N5216:30–18:30
Contributed talks — Numerical Analysis
Chair: Jan Chleboun
5 talks▼
16:30
Graph-based semi-supervised learning via PDEs and total variation
Farid Bozorgnia↗ PDF
16:50
Adaptive thresholded physics-informed CNN for mixed noise removal using anisotropic diffusion
Sanjeev Kumar↗ PDF
17:10
A numerical algorithm for solving singularly perturbed boundary value problem arising in neuronal variability model
Ashifa Khan↗ PDF
17:30
Data-driven PDE models of tumor–immune dynamics in tumor micro-environment
Leili Shahriyari↗ PDF
17:50
Use of repeated integration in efficient algorithms for numerical analysis of selected problems of computational mechanics
Jiří Vala↗ PDF
Hall RB 210N5316:30–18:30
Contributed talks — Numerical Analysis
Chair: Jan Valášek
6 talks▼
16:30
A compact higher-order formulation for unsteady two-dimensional convection–diffusion systems with RK-type time integration
Sumit Kumar↗ PDF
16:50
Order reduction of exponential Runge-Kutta methods: non-commuting operators
Trung Hau Hoang↗ PDF
17:10
Invariant region preserving schemes for mixed hyperbolic-parabolic SPDEs
Kristian Nekstad Maroni↗ PDF
17:30
Time filtered finite difference schemes for hyperbolic problems
Lisa Davis↗ PDF
17:50
Stable long-horizon prediction of parametric PDE solution with latent-tensor vision transformers
Domagoj Vlah↗ PDF
18:10
A posteriori error estimation of the immersed weak Galerkin method for parabolic problems with non-smooth coefficients
Jhuma Sen Gupta↗ PDF
ODE
Quattro ModulareD5116:30–18:30
Contributed talks — Ordinary Differential Equations
Chair: Gabriela Holubová
6 talks▼
16:30
Periodic solutions of Hamiltonian systems with symmetries
Anna Gołębiewska↗ PDF
16:50
Stable and unstable periodic motions in a bouncing ball model
Stefano Marò↗ PDF
17:10
Levinson-Pliss theorem for periodic lattice dynamical systems
Andrei Sultan↗ PDF
17:30
Periodic solutions of cosmology inspired Hamiltonian system
Agnieszka Gołembiewska↗ PDF
17:50
Distributional adjoint theory for retarded differential operators: uncovering the structural origin of Hale's bilinear form
Junya Nishiguchi↗ PDF
18:10
On parameter-dependent inhomogeneous boundary-value problems in Sobolev spaces
Olena Atlasiuk↗ PDF
Likešova auditoriumD5216:30–18:30
Contributed talks — Ordinary Differential Equations
Chair: Zuzana Došlá
6 talks▼
16:30
On impulsive differential equations with adaptive state-dependent delays
Ferenc Hartung↗ PDF
16:50
Sharp oscillation criteria for nth order linear delay differential equations
Irena Jadlovska↗ PDF
17:10
Sharp delay-independent global stability for a Lotka-Volterra system with multiple delays
Yasuhisa Saito↗ PDF
17:30
Delay-induced instabilities in neural field equations
Mónika Polner↗ PDF
17:50
The least-squares method in the theory of boundary value problems with delay
Sergey Chuiko↗ PDF
18:10
Morse decomposition for semi-dynamical systems with an application to systems of state-dependent delay differential equations
István Balázs↗ PDF
Hall RB 213D5316:30–18:30
Contributed talks — Ordinary Differential Equations
Chair: Tomáš Vejchodský
6 talks▼
16:30
Oscillation results for first order neutral delay differential equations with several positive and negative coefficients
Gergő Tóth↗ PDF
16:50
Oscillation criterion for generalized Euler difference equations
Ludmila Linhartová↗ PDF
17:10
Some oscillation criteria for the second-order linear advanced differential equations
Zdeněk Opluštil↗ PDF
17:30
Oscillation theorems for linear differential equations with a proportional-derivative controller
Kazuki Ishibashi↗ PDF
17:50
Threshold points and oscillation criteria for differential and difference equations
Petr Hasil↗ PDF
18:10
A Leighton-Wintner type oscillation theorem for p(t)-Laplacian dynamic equations on time scales
Masakazu Onitsuka↗ PDF
9:00–10:00
Plenary Lecture · PDE
On (In-)Stability Mechanisms in Inverse Problems
Angkana Rüland · University of Bonn ↗ PDF
Chair: Barbara Kaltenbacher
Hall RB 101
📡 Plenary lectures are live-streamed to Quattro Modulare
10:00–10:30
☕ Coffee break
10:30–11:30
Plenary Lecture · ODE
A periodic prey-predator system
Rafael Ortega · Universidad de Granada ↗ PDF
Chair: Yingfei Yi
Hall RB 101
📡 Plenary lectures are live-streamed to Quattro Modulare
11:40–12:20 · Invited Lectures — three parallel venues
Hall RB 101
Dynamics of Non-Equilibrium Systems: Homoenergetic Flows for the Boltzmann Equation
Alessia Nota ↗ PDF
Chair: Irena Lasiecka
Hall NB A
Parameterizing asymptotic dynamics with manifolds and bundles
Jonathan Jaquette ↗ PDF
Chair: Jean-Philippe Lessard
Hall NB B
Landmarks in the history of linear and nonlinear preconditioning
Martin J. Gander ↗ PDF
Chair: Michal Outrata
12:20–13:00 · Invited Lectures — three parallel venues
Hall RB 101
On the dispersive effect of internal gravity waves in two-phase incompressible viscous flows
Hirokazu Saito ↗ PDF
Chair: Giovanni P. Galdi
Hall NB A
Bifurcations from a normally degenerate cycle in forced differential equations
Adriana Buică ↗ PDF
Chair: Jan Andres
Hall NB B
Potential and flux reconstructions for optimal a priori and a posteriori error estimates
Martin Vohralík ↗ PDF
Chair: Alexandre Ern
13:00–14:00
🍽 Lunch break
pm
🌆 Wednesday afternoon free — Conference excursions & tours in Prague
9:00–10:00
Plenary Lecture · PDE
Very weak solutions and asymptotic behavior of Leray solutions to the steady-state Navier-Stokes equations in exterior domains
Giovanni P. Galdi · University of Pittsburgh ↗ PDF
Chair: Šárka Nečasová
Hall RB 101
📡 Plenary lectures are live-streamed to Quattro Modulare
10:00–10:30
☕ Coffee break
10:30–12:30Parallel sessions
PDE
Hall NB AP1010:30–16:00
Structures and Fluids
Chairs: Tomáš Bodnár, Giovanni P. Galdi
8 talks▼
10:30
Can one control large sustained oscillations in flow-structure interactions?
Irena Lasiecka↗ PDF
11:00
Uniform stabilization of the Boussinesq system in Besov spaces with boundary-based, localized, finite dimensional, fluid and thermal feedback controllers
Roberto Triggiani↗ PDF
11:30
Regularized interface methods for geometrically nonlinear Navier-Stokes-Biot interaction
Boris Muha↗ PDF
12:00
Mathematical models for hemorheology and hemolysis
Tomáš Bodnár↗ PDF
14:00
Generalized Newtonian flows with directional do-nothing boundary conditions
Ana Leonor Silvestre↗ PDF
14:30
Contact in fluid-plate interaction: formation and detachment
Srđan Trifunović↗ PDF
15:00
On the compactness of artificial compressibility approximations of weak solutions for fluid problems in a general moving geometry
Anna Hundertmark↗ PDF
15:30
Semigroup solutions for a Biot-poroelastic plate-Stokes system
George Avalos↗ PDF
Hall NB BP0710:30–16:00
Nonlinear Waves in Complex Systems — Fronts, Fluids and Fluctuations
Chairs: Bastian Hilder, Jonas Jansen
8 talks▼
10:30
Heterogeneity in reaction–diffusion systems: a feature, not a perturbation
Martina Chirilus-Bruckner↗ PDF
11:00
Beyond the marginal stability criterion: travelling waves and model discrimination in reaction–diffusion systems
Vaclav Klika↗ PDF
11:30
Some remarks about an effective description of high-frequency non-polarized wave-packet propagation
Anna Logioti↗ PDF
12:00
Think global, act local: inducing fully localised patterns via spatial heterogeneity
Dan Hill↗ PDF
14:00
Traveling bore wave solutions to the free boundary incompressible Navier-Stokes equations
Ian Tice↗ PDF
14:30
Subcritical transition to turbulence via large-scale coherent structures
Sébastien Gomé↗ PDF
15:00
Rolls, runaway modes and energetic consistency in spectral truncations of the Rayleigh Bénard problem
Roland Welter↗ PDF
15:30
Dynamics of a rimming flow in a cylinder of finite length
Juri Joussen↗ PDF
Hall NB CP0110:30–12:30
PDEs in Variational Theories for Liquid Crystals and Allied Areas
Chair: Apala Majumdar
4 talks▼
10:30
A free-discontinuity and free-boundary problem for smectic A liquid crystals
Giacomo Canevari↗ PDF
11:00
Compressible active nematic liquid crystals: existence of dissipative solutions
Kuntal Bhandari↗ PDF
11:30
A relative energy inequality for electrolytes with liquid-crystal-like solvent: weak-strong uniqueness and a posteriori error estimates
Luisa Plato↗ PDF
12:00
Variational approximation of the heat flow of harmonic maps
Antonio Segatti↗ PDF
Hall NB DP1210:30–12:30
Multiscale Analysis of Coupled Problems and Applications
Chairs: Maria Neuss-Radu, Markus Gahn
4 talks▼
10:30
Geometric determinants of oxygen and heat exchange in placental mammals
Igor Chernyavsky↗ PDF
11:00
On some multifluid systems
Milan Pokorný↗ PDF
11:30
A lumen–tissue magneto-two-phase flow model with transendothelial transport for magnetic drug targeting
Jonas Knoch↗ PDF
12:00
Homogenization of a Stokes-transport system in an anisotropic porous medium with thin, evolving tubes
Kilian Hacker↗ PDF
NUM
Hall RB 101N0410:30–16:00
Numerical Algorithms for PDE Solvers on Modern HPC Architectures
Chairs: Erin Claire Carson, Jakub Šístek
8 talks▼
10:30
Mixed-precision computing: high accuracy with low precision
Erin Claire Carson↗ PDF
11:00
Reduced and mixed precision QR decomposition techniques
Eda Oktay↗ PDF
11:30
Hybrid hierarchical matrices with adaptive precision storage
Ritesh Khan↗ PDF
12:00
TNL: numerical library for modern parallel architectures
Tomáš Oberhuber↗ PDF
14:00
Acceleration of a nonoverlapping domain decomposition solver by using GPUs on subdomains
Jakub Šístek↗ PDF
14:30
Parallel-in-time solver for the Runge-Kutta discretization of the heat equation
Santolo Leveque↗ PDF
15:00
A high-level quantum lattice Boltzmann solver for pure advection with subregion local measurement
Tomáš Bezděk↗ PDF
15:30
Low-rank methods in isogeometric analysis
Tom-Christian Riemer↗ PDF
Hall RB 209N1110:30–16:00
Analysis and Numerical Analysis of Mean Field Games
Chairs: Iain Smears, Harry Wells
7 talks▼
10:30
Long time behaviour, stabilisation and turnpike for displacement monotone mean field games
Alpár R. Mészáros↗ PDF
11:00
A posteriori error bounds for finite element approximations of mean field games
Harry Wells↗ PDF
11:30
Wellposedness and quantitative convergence for distributed equilibria of displacement monotone N-player games with interactions through controls
Hei Jie Lam↗ PDF
12:00
On Schauder estimates for nonlocal viscous Hamilton Jacobi equations
Robin Lien↗ PDF
14:00
Hölder regularity for degenerate first-order Hamilton-Jacobi equations under controllability conditions
Megan Griffin-Pickering↗ PDF
14:30
Error bounds for finite element approximations of stationary second-order mean field game systems
Yohance Osborne↗ PDF
15:00
The effect of quadrature on the convergence of policy iteration for Hamilton-Jacobi-Bellman equations
Thomas Hall↗ PDF
15:30
Discussion
—
Hall RB 210N0110:30–16:00
New Methods and Techniques for the Approximation of PDEs
Chair: Paola Antonietti
8 talks▼
10:30
A MLMC-VE method for uncertainty quantification of elliptic PDEs
Francesca Bonizzoni↗ PDF
11:00
A priori error analysis for a nonconforming virtual element method for the Monge-Ampere equation
Scott Congreve↗ PDF
11:30
A Reynolds-semi-robust H(div)-conforming method for unsteady incompressible power-law flows
Kirubell Biniam Haile↗ PDF
12:00
Maxwell compactness for polytopal methods
Simon Lemaire↗ PDF
14:00
A high-order localized orthogonal decomposition for Stokes equations
Alexei Lozinski↗ PDF
14:30
A higher order polytopal method for contact mechanics with Tresca friction
Raman Kumar Kumar↗ PDF
15:00
A high-order discontinuous Galerkin method for the numerical modeling of neuronal electro-metabolic dynamics
Francesco Daniele↗ PDF
15:30
On positivity preservation of HDG methods for the diffusion equation on hypergraphs
Petr Knobloch↗ PDF
ODE
Quattro ModulareD0510:30–16:00
Hamiltonian Dynamics and KAM Theory
Chair: Yingfei Yi
8 talks▼
10:30
Quasi-periodic breathers in Newton's cradle
Yingfei Yi↗ PDF
11:00
Ejection-collision solutions and KAM tori in restricted N-body problems
Jesús F. Palacián↗ PDF
11:30
Quasi-periodic solutions to the nonlinear Klein-Gordon equations in two dimensions
Wei-Min Wang↗ PDF
12:00
Quasi-periodic breathers for Klein-Gordon chains and discrete nonlinear Schrödinger equations with quasi-periodic potential
Chuanfang Ge↗ PDF
14:00
Co-orbital solutions in the planar three-body problem
Patricia Yanguas↗ PDF
14:30
Quasiperiodic motion in a planar Sun-Jupiter-Saturn system
Alex Haro↗ PDF
15:00
Nekhoroshev estimates for multi-scale Hamiltonian systems
Lu Xu↗ PDF
15:30
Discussion
—
Likešova auditoriumD1210:30–12:30
Computer-Assisted Proofs in Differential Equations
Chairs: Jean-Philippe Lessard, Jason Mireles James
4 talks▼
10:30
An introduction to computer-assisted proofs in differential equations
Jean-Philippe Lessard↗ PDF
11:00
Computer-assisted proofs for PDEs: a matrix-free approach
Maxime Breden↗ PDF
11:30
Periodic solutions in state-dependent delay differential equations
Matthieu Cadiot↗ PDF
12:00
Validated numerics for convolutions in the Borel plane
Jason Mireles James↗ PDF
Hall RB 213D1010:30–12:30
Oscillation Theory for Differential Equations on Hybrid Time Domains
Chairs: Roman Šimon Hilscher, Alim Sukhtayev
4 talks▼
10:30
Generalized oscillation theory for canonical differential systems on hybrid time domains
Roman Šimon Hilscher↗ PDF
11:00
Exponential stability of second order delay differential equations through Floquet theory with application to angular stabilization of drone flight
Alexander Domoshnitsky↗ PDF
11:30
Renormalized oscillation theory for Hamiltonian pencils
Alim Sukhtayev↗ PDF
12:00
On an optimal strict Sturm majorant condition for second order linear differential equations
Peter Sepitka↗ PDF
12:30–14:00
🍽 Lunch break
14:00–16:00Parallel sessions
PDE
Hall NB AP10 (cont.)10:30–16:00
Structures and Fluids
Chairs: Tomáš Bodnár, Giovanni P. Galdi
8 talks▼
10:30
Can one control large sustained oscillations in flow-structure interactions?
Irena Lasiecka↗ PDF
11:00
Uniform stabilization of the Boussinesq system in Besov spaces with boundary-based, localized, finite dimensional, fluid and thermal feedback controllers
Roberto Triggiani↗ PDF
11:30
Regularized interface methods for geometrically nonlinear Navier-Stokes-Biot interaction
Boris Muha↗ PDF
12:00
Mathematical models for hemorheology and hemolysis
Tomáš Bodnár↗ PDF
14:00
Generalized Newtonian flows with directional do-nothing boundary conditions
Ana Leonor Silvestre↗ PDF
14:30
Contact in fluid-plate interaction: formation and detachment
Srđan Trifunović↗ PDF
15:00
On the compactness of artificial compressibility approximations of weak solutions for fluid problems in a general moving geometry
Anna Hundertmark↗ PDF
15:30
Semigroup solutions for a Biot-poroelastic plate-Stokes system
George Avalos↗ PDF
Hall NB BP07 (cont.)10:30–16:00
Nonlinear Waves in Complex Systems — Fronts, Fluids and Fluctuations
Chairs: Bastian Hilder, Jonas Jansen
8 talks▼
10:30
Heterogeneity in reaction–diffusion systems: a feature, not a perturbation
Martina Chirilus-Bruckner↗ PDF
11:00
Beyond the marginal stability criterion: travelling waves and model discrimination in reaction–diffusion systems
Vaclav Klika↗ PDF
11:30
Some remarks about an effective description of high-frequency non-polarized wave-packet propagation
Anna Logioti↗ PDF
12:00
Think global, act local: inducing fully localised patterns via spatial heterogeneity
Dan Hill↗ PDF
14:00
Traveling bore wave solutions to the free boundary incompressible Navier-Stokes equations
Ian Tice↗ PDF
14:30
Subcritical transition to turbulence via large-scale coherent structures
Sébastien Gomé↗ PDF
15:00
Rolls, runaway modes and energetic consistency in spectral truncations of the Rayleigh Bénard problem
Roland Welter↗ PDF
15:30
Dynamics of a rimming flow in a cylinder of finite length
Juri Joussen↗ PDF
Hall NB CP5514:00–16:00
Contributed talks — Partial Differential Equations
Chair: Václav Mácha
6 talks▼
14:00
Global solutions to a Keller–Segel–Navier–Stokes system with potential consumption
Gabriela Planas↗ PDF
14:20
On the optimal rate of vortex stretching for axisymmetric Euler flows without swirl
Deokwoo Lim↗ PDF
14:40
Navier–Stokes–Cahn–Hilliard system in a 3D perforated domain with free slip and source term
Haradhan Dutta↗ PDF
15:00
Existence of solutions to the Navier-Stokes equations in Lorentz-Besov spaces
Bholanath Kumbhakar↗ PDF
15:20
Multiscale hyperbolic-parabolic models for nonlinear reactive transport in heterogeneously fractured porous media
Taras Melnyk↗ PDF
15:40
Linearization for fluid structure interaction
Christopher Körber↗ PDF
Hall NB DP5614:00–16:00
Contributed talks — Partial Differential Equations
Chair: Gabriela Holubová
6 talks▼
14:00
Low regularity approach for kinetic equations
Donghyun Lee↗ PDF
14:20
Initial layer for the Boltzmann equation
Hung-Wen Kuo↗ PDF
14:40
Self-similar solutions with finite time blow-up for reaction-diffusion equations
Razvan Gabriel Iagar↗ PDF
15:00
Fourth-order diffusion equations and Renyi entropies
Mario Bukal↗ PDF
15:20
Something other than the usual kind of instability and spatial patterns
Jan Eisner↗ PDF
15:40
Energy consistent hyperbolic approximations for some higher order PDEs
Rahul Barthwal↗ PDF
NUM
Hall RB 101N04 (cont.)10:30–16:00
Numerical Algorithms for PDE Solvers on Modern HPC Architectures
Chairs: Erin Claire Carson
8 talks▼
10:30
Mixed-precision computing: high accuracy with low precision
Erin Claire Carson↗ PDF
11:00
Reduced and mixed precision QR decomposition techniques
Eda Oktay↗ PDF
11:30
Hybrid hierarchical matrices with adaptive precision storage
Ritesh Khan↗ PDF
12:00
TNL: numerical library for modern parallel architectures
Tomáš Oberhuber↗ PDF
14:00
Acceleration of a nonoverlapping domain decomposition solver by using GPUs on subdomains
Jakub Šístek↗ PDF
14:30
Parallel-in-time solver for the Runge-Kutta discretization of the heat equation
Santolo Leveque↗ PDF
15:00
A high-level quantum lattice Boltzmann solver for pure advection with subregion local measurement
Tomáš Bezděk↗ PDF
15:30
Low-rank methods in isogeometric analysis
Tom-Christian Riemer↗ PDF
Hall RB 209N11 (cont.)10:30–16:00
Analysis and Numerical Analysis of Mean Field Games
Chairs: Iain Smears, Harry Wells
7 talks▼
10:30
Long time behaviour, stabilisation and turnpike for displacement monotone mean field games
Alpár R. Mészáros↗ PDF
11:00
A posteriori error bounds for finite element approximations of mean field games
Harry Wells↗ PDF
11:30
Wellposedness and quantitative convergence for distributed equilibria of displacement monotone N-player games with interactions through controls
Hei Jie Lam↗ PDF
12:00
On Schauder estimates for nonlocal viscous Hamilton Jacobi equations
Robin Lien↗ PDF
14:00
Hölder regularity for degenerate first-order Hamilton-Jacobi equations under controllability conditions
Megan Griffin-Pickering↗ PDF
14:30
Error bounds for finite element approximations of stationary second-order mean field game systems
Yohance Osborne↗ PDF
15:00
The effect of quadrature on the convergence of policy iteration for Hamilton-Jacobi-Bellman equations
Thomas Hall↗ PDF
15:30
Discussion
—
Hall RB 210N01 (cont.)10:30–16:00
New Methods and Techniques for the Approximation of PDEs
Chair: Paola Antonietti
8 talks▼
10:30
A MLMC-VE method for uncertainty quantification of elliptic PDEs
Francesca Bonizzoni↗ PDF
11:00
A priori error analysis for a nonconforming virtual element method for the Monge-Ampere equation
Scott Congreve↗ PDF
11:30
A Reynolds-semi-robust H(div)-conforming method for unsteady incompressible power-law flows
Kirubell Biniam Haile↗ PDF
12:00
Maxwell compactness for polytopal methods
Simon Lemaire↗ PDF
14:00
A high-order localized orthogonal decomposition for Stokes equations
Alexei Lozinski↗ PDF
14:30
A higher order polytopal method for contact mechanics with Tresca friction
Raman Kumar Kumar↗ PDF
15:00
A high-order discontinuous Galerkin method for the numerical modeling of neuronal electro-metabolic dynamics
Francesco Daniele↗ PDF
15:30
On positivity preservation of HDG methods for the diffusion equation on hypergraphs
Petr Knobloch↗ PDF
ODE
Quattro ModulareD05 (cont.)10:30–16:00
Hamiltonian Dynamics and KAM Theory
Chair: Yingfei Yi
8 talks▼
10:30
Quasi-periodic breathers in Newton's cradle
Yingfei Yi↗ PDF
11:00
Ejection-collision solutions and KAM tori in restricted N-body problems
Jesús F. Palacián↗ PDF
11:30
Quasi-periodic solutions to the nonlinear Klein-Gordon equations in two dimensions
Wei-Min Wang↗ PDF
12:00
Quasi-periodic breathers for Klein-Gordon chains and discrete nonlinear Schrödinger equations with quasi-periodic potential
Chuanfang Ge↗ PDF
14:00
Co-orbital solutions in the planar three-body problem
Patricia Yanguas↗ PDF
14:30
Quasiperiodic motion in a planar Sun-Jupiter-Saturn system
Alex Haro↗ PDF
15:00
Nekhoroshev estimates for multi-scale Hamiltonian systems
Lu Xu↗ PDF
15:30
Discussion
—
Likešova auditoriumD1114:00–16:00
Nonlocal Effects in Differential Equations
Chairs: Tetsuya Ishiwata, Tatsuki Kawakami
4 talks▼
14:00
Existence and uniqueness of L¹-solutions to time-fractional nonlinear diffusion equations
Tatsuki Kawakami↗ PDF
14:30
On the singularities in area-preserving curvature flows of convex symmetric immersed closed plane curves
Takeo Ushijima↗ PDF
15:00
Fractional model of Danckwerts tubular catalytic reactor
Jaromir Kukal↗ PDF
15:30
Blow-up problems to some delay differential equations
Tetsuya Ishiwata↗ PDF
Hall RB 213D5414:00–16:00
Contributed talks — Ordinary Differential Equations
Chair: Masakazu Onitsuka
6 talks▼
14:00
About properties of ultrametric meromorphic solutions of some types of difference equations
Tahar Zerzaihi↗ PDF
14:20
Bifurcations of limit cycles in DDEs: theory & software
Bram Lentjes↗ PDF
14:40
On observability of limit cycles in the chemostat
Torsten Lindström↗ PDF
15:00
Controllability problem of a differential equation with memory
Sumit Arora↗ PDF
15:20
Robustness of Sacker-Sell trichotomy for nonautonomous dynamics
Davor Dragičević↗ PDF
15:40
Localization of solutions in annular regions times conical shells for systems with sign-changing nonlinearities
Jorge Rodríguez-López↗ PDF
16:00–16:30
☕ Coffee break & Posters
16:30–18:10Parallel sessions
PDE
Hall NB AP5716:30–18:10
Contributed talks — Partial Differential Equations
Chair: Václav Mácha
4 talks▼
16:30
Evolutionary equations with state-dependent delay
Bernhard Aigner↗ PDF
16:50
Criteria for controllability of semilinear measure-driven evolution systems with impulses and nonlocal inclusions
Jaydev Dabas↗ PDF
17:10
Regularity lost: the fundamental limitations and constraint qualifications in the problems of elastoplasticity
Ivan Gudoshnikov↗ PDF
17:30
Extinction, persistence and pattern formation in non-linear models with non-local dispersal on flat landscapes
Maciej Tadej↗ PDF
Hall NB BP5816:30–18:10
Contributed talks — Partial Differential Equations
Chair: Martin Kalousek
4 talks▼
16:30
Analysis of anisotropic and heterogeneous models with applications to complex materials
Kateryna Buryachenko↗ PDF
16:50
Temple-type systems with discontinuous flux
Massimiliano Daniele Rosini↗ PDF
17:10
A variational view on constitutive laws in parabolic problems
Espen Xylander↗ PDF
17:30
About the occurrence of Akhmediev breathers in general dispersive systems
Nils Thorin↗ PDF
Hall NB CP5916:30–18:10
Contributed talks — Partial Differential Equations
Chair: Ondřej Kreml
5 talks▼
16:30
The energy-variational framework for binormal curvature flow
Thomas Eiter↗ PDF
16:50
Singular vortical flows
Volker Elling↗ PDF
17:10
On the mean curvature flow of closed curves evolving on surfaces and two dimensional manifolds
Miroslav Kolar↗ PDF
17:30
Optimal control problem for a nonlinear, nonlocal evolution system describing an interacting ternary mixture
Arghya Kundu↗ PDF
17:50
On the modeling of thermal effects in Forchheimer flow
Luka Tolj↗ PDF
NUM
Hall RB 101N5416:30–18:10
Contributed talks — Numerical Analysis
Chair: Jiří Vala
5 talks▼
16:30
Unconditionally stable numerical solution for the high-order Allen-Cahn equation
Seungyoon Kang↗ PDF
16:50
Thermodynamical Allen-Cahn equation with general polynomial free energy
Gyeonggyu Lee↗ PDF
17:10
A parabolic-elliptic-hyperbolic system of Keller-Segel type: numerical analysis and simulation
José Augusto Ferreira↗ PDF
17:30
The linearized Westervelt-Pennes bioheat system: numerical analysis and simulation
Gonçalo Pena↗ PDF
17:50
Data-driven stabilization parameters for CDR equations on general meshes
Manoj Prakash↗ PDF
Hall RB 209N5516:30–18:10
Contributed talks — Numerical Analysis
Chair: Václav Kučera
5 talks▼
16:30
Trefftz discontinuous Galerkin approximation of the T-matrix for scattering by periodic layered structures
Armando Maria Monforte↗ PDF
16:50
A fully discrete weak Galerkin mixed approximation for parabolic interface problems on polygonal meshes
Amit Kumar Pal↗ PDF
17:10
A posteriori algebraic error estimates and nonoverlapping domain decomposition in mixed formulations
Akram Beni Hamad↗ PDF
17:30
A priori and a posteriori estimates for vectorial problems via convex duality
Pablo Alexei Gazca Orozco↗ PDF
17:50
An alternative model of multicomponent diffusion based on a combination of the Maxwell-Stefan theory and continuum mechanics
Jiří Mikyška↗ PDF
Hall RB 210N5616:30–18:10
Contributed talks — Numerical Analysis
Chair: Jan Chleboun
5 talks▼
16:30
Criteria for asymptotic stability of three-term linear difference equation with two parameters
Petr Tomášek↗ PDF
16:50
Fractional SIR model with distributed contacts
Bárbara Rodrigues↗ PDF
17:10
Optimal time-adaptivity for parabolic problems with applications to model order reduction
David Niederkofler↗ PDF
17:30
Transport of scalar quantities along evolving planar curves and its numerical solution
Maneesh Narayanan↗ PDF
17:50
Stability of equilibria in an infinite dimensional network of theta neurons with time delay
Lavinia Florina Rodica Fildan (Birdac)↗ PDF
ODE
Quattro ModulareD5516:30–18:10
Contributed talks — Ordinary Differential Equations
Chair: Ábel Garab
4 talks▼
16:30
Robust stability of a class of complex balanced chemical reaction networks with time delays and time varying perturbations
Hirokazu Komatsu↗ PDF
16:50
Symbolic dynamics in pseudospectral projection of delay differential equations
Robert Szczelina↗ PDF
17:10
Voter model with time dependent dynamics
Peter Malárik↗ PDF
17:30
Finitude of limit cycles of linear piecewise ODEs in the cylinder
Roberto Trinidad-Forte↗ PDF
Likešova auditoriumD5616:30–18:10
Contributed talks — Ordinary Differential Equations
Chair: Stefano Pozza
4 talks▼
16:30
Regularity of Lagrangian flows associated to singular vector fields
Henrique Borrin de Souza↗ PDF
16:50
Applications of coincidence degree theory to fractional boundary value problems and non-autonomous ecological ODE models
Satyam Narayan Srivastava↗ PDF
17:10
Nonlinear systems of ODEs subject to non-local boundary conditions
Lucía López Somoza↗ PDF
17:30
Weakly nonlinear degenerate differential-algebraic boundary value problems
Olga Nesmelova↗ PDF
Hall RB 213D5716:30–18:10
Contributed talks — Ordinary Differential Equations
Chair: Jan Tomeček
4 talks▼
16:30
Multiple solutions of Dirichlet problems in billiard spaces with impulses at fixed times
David Švec↗ PDF
16:50
Multiplicity of solutions for nonlinear differential systems using fixed point theory in product spaces
Laura María Fernández-Pardo↗ PDF
17:10
Chaos in the Hyperion tumbling model
Anna Gierzkiewicz↗ PDF
17:30
Functional equations involving reflection and piecewise constant arguments
Paula Cambeses Franco↗ PDF
Hall RB 101 · PDE
9:00–9:40
Global solvability of the Q-tensor model for nematic liquid crystals
Miho Murata ↗ PDF
Chair: Aneta Wróblewska-Kamińska
9:40–10:20
Fisher's infinitesimal model features a nice convexity structure
Vincent Calvez ↗ PDF
Chair: Anja Schlömerkemper
10:50–11:30
The Hunter–Saxton equation — wave breaking leads the way
Katrin Grunert ↗ PDF
Chair: Anna Logioti
Hall NB A · ODE
9:00–9:40
The strong unstable manifold and periodic solutions in differential delay equations with cyclic monotone negative feedback
Bernhard Lani-Wayda ↗ PDF
Chair: Hans-Otto Walther
9:40–10:20
Continuous and discrete time dynamics of regulatory networks
Tomas Gedeon ↗ PDF
Chair: Tony Humphries
10:50–11:30
Exploring the relativistic Kepler problem: a journey through bounded orbits and bifurcation phenomena
Guglielmo Feltrin ↗ PDF
Chair: Tibor Krisztin
Hall NB B · NUM
9:00–9:40
Funny things happening in Neural Galerkin Schemes
Olga Mula Hernandez ↗ PDF
Chair: Václav Kučera
9:40–10:20
New Banach spaces-based mixed finite element methods for steady-state flows of magnetic fluids
Gabriel N. Gatica ↗ PDF
Chair: Michele Ruggeri
10:50–11:30
Multiharmonic algorithms for contrast-enhanced ultrasound
Vanja Nikolić ↗ PDF
Chair: Paola F. Antonietti
10:20–10:50
☕ Coffee break
11:40–12:40
Plenary Lecture · NUM
Modeling human brain function and pathways of neurodegeneration
Paola F. Antonietti · Politecnico di Milano ↗ PDF
Chair: Luca Formaggia
Hall RB 101
📡 Plenary lectures are live-streamed to Quattro Modulare
12:40–12:50
Closing Ceremony
Chair: Tomáš Vejchodský
Hall RB 101
12:50–14:00
🍽 Farewell lunch
Poster Sessions
Posters are on display during coffee breaks — Monday, Tuesday and Thursday 16:00–16:30.
PDE · Partial Differential Equations4
Homogenization of non-divergence type equation with oscillating coefficients defined on highly oscillating obstacles
Minha Yoo ↗ PDF
Axisymmetric compressible micropolar real gas flow in a cylindrical annulus: mathematical modeling and Galerkin approximation
Ivan Drazic ↗ PDF
Mathematical analysis of two-phase two-component flow in porous media in global pressure formulation
Anja Vrbaški
Boundary value problem for equations with a fractional derivative and power-type singular coefficients
Yaroslav Slonovskyi ↗ PDF
NUM · Numerical Analysis9
Space–time additive Schwarz preconditioners for optimal control of the heat equation
Gobinda Garai ↗ PDF
Unconditionally energy stable Cahn-Hilliard solvers with adaptive free energy potentials
Abdul Wahab ↗ PDF
GreenNet-based AGM: solving elliptic PDEs using axial Green surrogates
Taeyoung Ha ↗ PDF
A posteriori error analysis for a nonconforming virtual element method for the Monge-Ampère equation
Anwesh Pradhan ↗ PDF
A posteriori error estimate for hp-version discontinuous Galerkin method for convection-diffusion-reaction equation on polytopic meshes
Prabhat Mishra ↗ PDF
Qualitative dynamics of nonlinear discrete p-Laplacian models with delay
Ondřej Suchánek ↗ PDF
Pressure-robustness for fluid flow with inhomogeneous boundary conditions
Franziska Eickmann
Numerical simulation of slope-selection epitaxial thin-film growth
Hyun Geun Lee ↗ PDF
Parameter estimation for a Cahn-Hilliard type tumor growth model with nutrient dynamics
Leonardo Beretta ↗ PDF
ODE · Ordinary Differential Equations4
Green's function sign-constancy in fractional differential equations: a subordination approach
Rajarshi Dey ↗ PDF
Sufficient conditions for exact bifurcation curves in Minkowski curvature problems and their applications
Shao-Yuan Huang ↗ PDF
Bifurcations of limit cycles in DDEs: theory & software
Bram Lentjes ↗ PDF
Synchronisation of delay induced oscillations
Simone Milesi ↗ PDF