Programme

Monday

R 3.28

09:00 Opening
09:20 Carola-Bibiane Schönlieb, Variational models and partial differential equations for mathematical imaging
10:10 Break
10:40 Max Gunzburger, A Localized Reduced-Order Modeling Approach for PDEs with Bifurcating Solutions
11:30 Eskil Hansen, Domain decomposition and parabolic problems -- a time integrator approach
12:20 Lunch
14:00 Roswitha März, Questions concerning differential-algebraic operators
14:25 Michael Hanke, A least-squares collocation method for non-linear higher index differential-algebraic equations
14:50 Martin Arnold, Improving the initialization of some integrators for index-3 DAEs and related stiff ODEs
15:15 Fatemeh Mohammadi, Adaptive β-blocked multistep methods for index 2 Euler-Lagrange differential algebraic equations
15:40 Break
16:10 Jürgen Geiser, Serial and Parallel Iterative Splitting Methods: Algorithms and Applications
16:35 Marcel Klinge, Numerical tests with AMF methods
17:00 Mirko Residori, A splitting approach for the KdV equation with transparent boundary conditions
17:25 Matheus Fernando Pereira, Parametric dependence of the advection-diffusion equation in two dimensions

R 1.26

14:00 Kristian Debrabant, Analysis of multilevel Monte Carlo using the Milstein discretisation
14:25 Raffaele D'Ambrosio, Stability issues in the discretization of stochastic differential equations
14:50 Ibrahim Almuslimani, Optimal explicit stabilized integrator of weak order one for stiff and ergodic stochastic differential equations
15:15 Alemayehu Adugna Arara, Stochastic B--series and order conditions for exponential integrators
15:40 Break
16:10 Jacob Snoeijer, Numerical valuation of Bermudan basket options via partial differential equations
16:35 Maria Kulikova, Numerical solution of the neural field equation in the presence of random disturbance
17:00 Jean Medard Ngnotchouye, Weak convergence for a stochastic exponential integrator and finite element discretization of stochastic partial differential equation with additive noise
17:25 Hugo de la Cruz, Numerical integration of a class of multiplicative-noise Stochastic Differential Equations via a RDE approach

R 1.23

14:00 Roberto Garrappa, Numerical simulation of Maxwell's systems in media with anomalous dielectric properties
14:25 Tareq Abuaisha, On the simulation in time and frequency domain of a fractional-order model of an electrical coil within resonance frequency
14:50 Xingzhou Jiang, Generalized Adams methods to solve fractional differential equations with delay
15:15 Wenjiao Zhao, Lagrange hybridized discontinuous Galerkin method for fractional Navier-Stokes equations
15:40 Break
16:10 Adrian Sandu, MRI-GARK: A Class of Multirate Infinitesimal GARK Methods
16:35 Christoph Hachtel, A multirate implicit Euler scheme for semi-explicit DAEs of index-1: consistency and convergence analysis
17:00 Tobias Bauer, Order conditions for multirate infinitesimal step methods
17:25 Husnu Ata Erbay, A Semi-Discrete Numerical Method for Convolution-Type Unidirectional Wave Equations

R 1.27

14:00 Gerd Steinebach, Modelling and numerical simulation of hydrogen flow in networks
14:25 Monika Eisenmann, Domain decomposition for nonlinear parabolic problems in a variational framework
15:40 Break
16:10 Gholam Reza Hojjati, Multivalue--multistage methods for the numerical solution of the nonlinear Volterra integro-differential equations
16:35 Ali Abdi Kalasour, A class of multivalue-multistage schemes for the numerical solution of Volterra integral equations
17:00 Beatrice Paternoster, Adapted discretization of evolutionary problems by non-polynomially fitted numerical methods

R 1.29

14:00 Lena-Maria Pfurtscheller, Polynomial chaos expansion for solving stochastic control problems
14:25 Chiara Piazzola, A low-rank splitting integrator for matrix differential equations
14:50 Tony Stillfjord, Singular value decay of solutions to operator-valued differential Lyapunov and Riccati equations
15:15 Hossein Kheiri Estiar, Numerical method for solving a fractional order HIV model arising from optimal control
15:40 Break
16:10 Yiannis Hadjimichael, Accurate and stable boundary conditions for high-order discretizations of hyperbolic PDEs
16:35 Jan Leibold, Linearly implicit time integration of semilinear wave equations with dynamic boundary conditions
17:00 Bernhard Maier, Numerical simulation of rf-SQUIDs
17:25 Patrick Krämer, Efficient Numerical Schemes for Highly Oscillatory Klein-Gordon and Dirac type Equations

Tuesday

R 3.28

08:30 Emil Constantinescu, Time Stepping Methods with Forward a Posteriori Error Estimation
09:20 Robert Scheichl, Multilevel Uncertainty Quantification with Sample-Adaptive Model Hierarchies
10:10 Break
10:40 Alexey Eremin, Delay dependent stability analysis of S-ROCK method
11:05 Javad Farzi, Flux limiters on clustered points for solving hyperbolic conservation laws
11:30 Fathalla Rihan, Parameter Identification for Delay Differential Equations
11:55 Vikas Kumar, Haar wavelet quasilinearization approach for numerical solution of Burger type equation via Lie group method
12:20 Lunch
14:00 Fernando Jimenez, A discrete fractional approach for modelling dissipative mechanical systems
14:30 Theresa Wenger, Numerical properties of mixed order variational integrators applied to dynamical multirate systems
15:00 Benjamin Couéraud, Variational discretization of the Navier-Stokes-Fourier system
15:30 Angela Martiradonna, Positive and mass-conservative integrators for biochemical systems

R 1.26

10:40 Elena Celledoni, Deep learning as optimal control problems
11:05 Alf Gerisch, FFT-based evaluation of nonlocal terms in PDE systems
11:30 Oswald Knoth, Split-explicit time integration methods for finite element discretizations
11:55 Benjamin Dörich, Splitting methods for highly oscillatory differential equations
12:20 Lunch
14:00 Julia Charrier, Existence, uniqueness of the solution and convergence of finite volume approximations for hyperbolic scalar conservation laws with multiplicative noise
14:30 Charles-Edouard Bréhier, Analysis of splitting schemes for the stochastic Allen-Cahn equation
15:00 Stuart Campbell, Adaptive time-stepping for Stochastic Partial Differential Equations with non-Lipschitz drift
15:30 Annika Lang, SPDE simulation on spheres
16:00 Break
16:30 Frederic Legoll, Effective dynamics for non-reversible stochastic differential equations
17:00 Zofia Trstanova, Sampling strategies and diffusion maps
17:30 Adrien Laurent, Exotic aromatic B-series for the order conditions of the long time numerical integration of ergodic stochastic differential equations.

R 1.23

10:40 Gennady Kulikov, Doubly quasi-consistent fixed-stepsize implicit two-step peer methods for stiff ordinary differential equations
11:05 Peter Meisrimel, Goal oriented time adaptivity using local error estimates
11:30 Juliane Rosemeier, Combining a stroboscopic method with the spectral deferred correction method
11:55 Sukhveer Singh, Numerical simulation to capture the pattern formation

R 1.27

10:40 Seyyed Ahmad Hosseini, Rational finite differences method based on the barycentric interpolants for ODEs
11:05 Andrés Ávila Barrera, hp-FEM solutions for option price Bates' model
11:30 Bashir Al-Hdaibat, Homoclinic solutions in Bazykin's predator-prey model
11:55 Sapna Pandit, Haar Wavelets based Algorithms for Simulation of Hyperbolic Type Wave Equations

R 1.29

10:40 Idoia Cortes Garcia, Parallelised Waveform Relaxation for Field/Circuit Coupled Systems
11:05 Yonglei Fang, Symmetric collocation ERKN methods for general second order oscillatory differential equations
11:30 Lubin Vulkov, Two-grid Algorithms for Solution of Difference Equations of Compressible Fluid Flow
11:55 Miglena Koleva, Fitted Finite Volume Method for Optimal Portfolio in a Exponential Utility Regime-Switching Model

Wednesday

R 3.28

08:30 Opening
08:40 Steven Ruuth, Linearly Stabilized Schemes for the Time Integration of Stiff Nonlinear PDEs
09:10 Break
09:40 Jens Lang, IMEX-Peer Methods Based on Extrapolation
10:05 Zoltán Horváth, Positivity and SSP by implicit numerical methods for ODEs and DAEs
10:30 Jannis Teunissen, Willem Hundsdorfer's role and research in the Multiscale Dynamics group at CWI
10:55 Inmaculada Higueras, On Strong Stability Preserving time stepping methods
11:20 Lunch

R 1.26

09:40 Tim Jax, Linearly Implicit Rosenbrock-Wanner-Type Methods with Non-Exact Jacobian for the Numerical Solution of Differential-Algebraic Equations
10:05 Diana Estévez Schwarz, InitDAE: A new approach for the computation of consistent values, the index determination and the diagnosis of singularities of DAEs
10:30 Stefan Hante, Three Lie group DAE time integration methods tested on a Cosserat rod model
10:55 Tobias Meyer, BDF and Newmark-Type Index-2 and Index-1 Integration Schemes for Constrained Mechanical Systems

R 1.23

09:40 Tim Steinhoff, On Singly Implicit Runge-Kutta Methods of High Stage Order that Utilize Effective Order
10:05 Teo Roldan, New low-storage SSP Runge-Kutta methods
10:30 Barys Faleichyk, Minimal residual linear multistep methods
10:55 Imre Fekete, On the zero-stability of multistep methods on smooth nonuniform grids

R 1.27

09:40 Lu Li, Volume preserving diffeomorphisms and the Kahan method
10:05 Bin Wang, Volume-preserving exponential integrators
10:30 Herbert Egger, Structure preserving discretization of evolution problems with dissipation
10:55 Changying Liu, Superconvergence of the structure-preserving trigonometric collocation methods for solving the nonlinear Hamiltonian wave equations

Thursday

R 3.28

08:30 David Cohen, Exponential integrators for stochastic partial differential equations
09:20 Andreas Meister, Modified Patankar-Runge-Kutta Schemes for Conservative Production-Destruction Equations
10:10 Break
10:40 Karel in 't Hout, On Multistep Stabilizing Correction Splitting Methods with Applications to the Heston Model
11:05 Benjamin Sanderse, Runge-Kutta methods for index-2 and index-3 differential-algebraic equations arising from incompressible flow problems
11:30 Hannes Vandecasteele, Efficiency of micro-macro acceleration for scale-separated stochastic differential equations
11:55 Przemyslaw Zielinski, Convergence and stability of micro-macro acceleration method for scale-separated SDEs
12:20 Lunch
14:00 Peter Benner, Gramian-based Model Reduction for Classes of Nonlinear Systems
14:30 Christian Himpe, From Low-Rank to Data-Driven Gramian-Based Model Reduction
15:00 Andreas Buhr, Randomization in Localized Model Order Reduction
15:30 Sebastian Peitz, Data driven feedback control of nonlinear PDEs using the Koopman operator
16:00 Break
16:30 Stefan Banholzer, Multiobjective Optimal Control using Reduced-Order Modeling
17:00 Carmen Gräßle, Adaptive trust-region POD for optimal control of the Cahn-Hilliard equation
17:30 Sebastian Ullmann, Model order reduction for space-adaptive simulations of unsteady incompressible flows

R 1.26

10:40 Michael Hinze, Adaptivity in model order reduction with proper orthogonal decomposition
11:05 Roland Pulch, Model order reduction for linear dynamical systems with quadratic outputs
11:30 Manuela Paschkowski, Orbital convergence of timestepping schemes for non-smooth mechanics
11:55 Daniel Paul Tietz, Convergence of regularised solutions of piecewise smooth differential equations
12:20 Lunch
14:00 Michael Jeffrey, Hidden Dynamics
14:30 Ernst Hairer, On the limit of regularized piecewise-smooth dynamical systems
15:00 Volker Mehrmann, Regularization and numerical solution of hybrid differential-algebraic equations
15:30 Nicola Guglielmi, Discontinuous ODEs and graph optimization
16:00 Break
16:30 Cinzia Elia, Qualitative behavior of numerical solutions of planar discontinuous dynamical systems
17:00 Tom Streubel, Piecewise smooth dynamic simulations via algorithmic piecewise differentation
17:30 Luca Dieci, Is integrating a non-smooth system harder than integrating a smooth one?

R 1.23

10:40 Giuseppe Izzo, Construction of Strong Stability Preserving Implicit-Explicit General Linear Methods
11:05 Rüdiger Weiner, Optimally zero-stable superconvergent IMEX Peer methods
11:30 Moritz Schneider, Superconvergent IMEX Peer methods with A-stable implicit part
11:55 Stefan Kopecz, Modified Patankar-Runge-Kutta schemes for Advection-Diffusion-Production-Destruction Systems

R 1.27

10:40 Brynjulf Owren, Adaptive time-stepping in Lie group integrators
11:05 Victoria Wieloch, BDF integrators for mechanical systems on Lie groups
11:30 Michele Wandelt, Geometric integration on Lie groups using the Cayley transformation
11:55 Benjamin Tapley, Collective integration of Hamilton PDEs

R 1.29

10:40 Paul Andries Zegeling, Boundary value methods for semi-stable differential equations
11:05 Konstantin Zerulla, A uniformly exponentially stable ADI scheme for Maxwell equations
11:30 Jan Philip Freese, Numerical homogenization of the Maxwell-Debye system: Semidiscrete error analysis

Friday

R 3.28

08:30 Erik Van Vleck, Time Dependent Stability: Computation and Applications
09:20 Severiano González Pinto, Some aspects of the time integration of multidimensional parabolic problems with mixed derivatives
10:10 David Ketcheson, The method of (uncountably many) characteristics
11:00 Break
11:20 Martin J. Gander, Is Optimal Really Good in Domain Decomposition ? (or why multigrid coarse spaces might not be suitable)
12:10 Marc Massot, Adaptive time-space algorithms for the simulation of multi-scale reaction waves with error control
13:00 Closing