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Department of Mathematics

Chair of Applied Mathematics Prof. Dr. L. Grüne / Prof. Dr. A. Schiela

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Programme of the Workshop

Homepage Registration Programme Speakers Participants Accommodation Travel

Conference Programme

Please click the link for the conference programme (PDF, version of October 1, 2026).

The registration desk is in the foyer close to the room H20, building NW 2.
The opening and all talks will be held in the lecture hall H18, building NW 2.
The coworking space for all participants is in the seminar room S76, building NW 2.

Wednesday, September 30, 2026
08:30–09:00	Registration
09:00–09:10	Opening
Morning Session
09:10–09:55	Volker Mehrmann (Technische Universität Berlin, Germany) Long- and short-time decay of solutions of evolution equations
10:00–10:45	Kirsten Morris (University of Waterloo, Canada) Establishing uniform stability of approximated infinite-dimensional systems
10:45–11:10	Coffee & Tea
Noon Session
11:10–11:55	Martin Gugat (University of Erlangen–Nuremberg, Germany) Stabilizability of hyperbolic systems by boundary control: the influence of time-delay and the quasi-linear case
12:00–12:45	Nathanael Skrepek (University of Twente, The Netherlands) Semi-uniform stability of Maxwell’s equations via boundary feedback
12:45–14:30	Lunch Break
Afternoon Session
14:30–15:00	Jerome Loheac (CNRS / University of Lorraine, France) A general framework for the flatness of parabolic linear systems with boundary controls
15:05–15:35	Chiara Cicolani (University of Wuppertal, Germany) Asymptotic consensus and flocking under decaying persistent excitation on rooted digraphs
15:40–16:10	Tobias Ritschel (Technical University of Denmark) Erlang ODE approximation of differential equations with distributed time delays
16:10–16:35	Coffee & Tea
16:35–18:30	Poster Session 1

Thursday, October 1, 2026
Morning Session
09:00–09:45	Cristina Pignotti (University of L’Aquila, Italy) Generalized Korteweg–de Vries–Burgers equations with time-varying delay: well-posedness and exponential stability
09:50–10:35	Nikolaos Bekiaris-Liberis (Technical University of Crete, Greece) Micro-macro PDE control under implementation limitations of large scale transport systems
10:35–11:00	Coffee & Tea
Noon Session
11:00–11:45	Jochen Glück (University of Wuppertal, Germany) Positivity in infinite-dimensional systems theory
11:50–12:20	Alexander Wierzba (University of Wuppertal, Germany) BIBO stability in infinite dimensions: some counterexamples and observations
12:20–12:30	Group Photo
12:30–14:30	Lunch Break
14:30–16:25	Poster Session 2
16:25–16:50	Coffee & Tea
Afternoon Session
16:50–17:20	Irina Aleksandrova (University of Bonn, Germany) Delay periodic Lyapunov equation
17:25–17:55	Mathieu Bajodek (CNRS, LAGEPP, France) Lyapunov PINN for stability analysis of infinite-dimensional systems
18:00–18:30	Yacine Chitour (Université Paris-Saclay, France) Necessary and sufficient conditions for exact controllability of linear controlled difference equations in L^r spaces, r ∈ (1, ∞)
19:30–22:30	Conference Dinner

Friday, October 2, 2026
Morning Session
09:00–09:45	Rami Katz (Tel Aviv University, Israel) Spectral reconstruction of 1d reaction-diffusion systems from measurements via algebraic super-resolution methods
09:50–10:35	Lucas Brivadis (CNRS, L2S, France) A backstepping-KKL observer for a cascade of a nonlinear ODE with a linear PDE
10:35–11:00	Coffee & Tea
Noon Session
11:00–11:30	Martin Lazar (University of Dubrovnik, Croatia) Turnpike property for the twofold control
11:35–12:20	Emilia Fridman (Tel Aviv University, Israel) Constructive methods for robust control of distributed parameter systems
12:20–12:30	Closing
12:30–13:30	Lunch

Programme version from September 24, 2026

Poster Session 1

Wednesday, September 30, 2026 (16:35–18:30)
P1.	Jannik Daun (Bergische Universität Wuppertal, Germany) On the Hautus test for exact observability of normal semigroups
P2.	Pascal Heymoss (University of Wuppertal, Germany) Decay Rates and Domain Dependence of a Coupled Wave-Heat System
P3.	Mariem Jakhoukh (University of Wuppertal, Germany) Some results on stability radii of infinite dimensional port-Hamiltonian systems
P4.	Richard Nutt (Karlsruher Institut für Technologie, Germany) Exponential Stability and Observabilty of the Maxwell System with Conductivity near the Boundary
P5.	Benedikt Oppeneiger (Technische Universität Chemnitz, Germany) Coercivity-inducing feedback stabilizability and spatial decay of perturbations
P6.	Hamza Ouchoutta (Ibn Zohr University, Germany) Well-posedness for a class of input-output second-order linear systems
P7.	Hannes Wagener (University of Wuppertal, Germany) Real and complex stability radii for a class of transport networks
P8.	Tobias Winterhager (Technische Universität Berlin, Germany) Lifting Time-Dependent Nonlinear Systems via a Perron-Frobenius-like Evolution Family

Poster Session 2

Thursday, October 1, 2026 (14:30–16:25)
P9.	Tighana Wenge Basele (Bauhaus-Universität Weimar, Germany) A Converse Lyapunov Framework for Weak Convergence of Averaged Operators
P10.	Oussama Bengoua (Université Grenoble Alpes, France) Finite-dimensional controllers for parabolic systems
P11.	Samir Boujijane (Mohammed VI Polytechnic University, Morocco) Asynchronous exponential growth of an age-structured population model with unbounded birth process
P12.	Qiaoling Chen (University of Passau, Germany) From Detectability of Linear Systems to Exponential Output-to-State Stability and Back
P13.	Bouchra Elghazi (University of Wuppertal, Germany) Stabilization of a class of boundary controlled port-Hamiltonian system
P14.	Ivan Hasenohr (University of Klagenfurt, Austria) Computer-assisted proofs of non-reachability for linear parabolic control problems
P15.	Tayeb Larhmaid (ENSAM, Hassan II University, Morocco) Stabilization of a class of delayed non-homogeneous semilinear systems via multiplicative feedback control
P16.	Lucas Moschen (Imperial College London, United Kingdom) Controlling Multi-Agent Systems: Local Convexification and Stabilisation of Mean-Field Systems
P17.	Violaine Piengeon (University of Namur, Belgium) Observer-based positive stabilization of a 1D diffusion system with boundary control and observation
P18.	Philip Preußler (University of Twente, The Netherlands) On the equivalence of integral ISS and ISS for linear systems
P19.	Till Preuster (Chemnitz University of Technology, Germany) Optimization-Based Control by Interconnection of Nonlinear Port-Hamiltonian Systems
P20.	Andreas Schroll (Julius-Maximilians-Universität Würzburg, Germany) ISS of infinite-dimensional discrete-time systems

Version of the Poster session from September 30, 2026

responsible for the content: Lars Grüne