Talks and presentations

Minsiymposia Organization

• Parallel methods for time-dependent problems: theory and applicationsSIAM Conference on Parallel Processing for Scientific Computing (PP26), Berlin, Germany, March 2026 (together with Arne Nägel , Goethe-Universität Frankfurt and Fynn Bensel, TU Hamburg)
• Parallel-in-time methods for PDE-constrained optimization31st IFIP TC-7 “System Modeling and Optimization” conference, Germany, August 2024
• High-order and Parallel Time Integration93rd GAMM Annual Meeting, Dresden, Germany, May/June 2023 (invited, together with Jörg Stiller, TU Dresden)
• Parallel-in-Time Algorithms: Performance and Real-World ApplicationsSIAM Conference on Computational Science and Engineering (CSE23), Amsterdam, The Netherlands (together with Gayatri Čaklović, Karlsruhe Institute of Technology, Germany, and Martin Schreiber, Université Grenoble Alpes, France)
• Time-parallel Time Integration TechniquesSciCADE 2022, Reykjavík, Iceland, July 2022 (invited, together with Michael Minion, Lawrence Berkeley National Laboratory, USA)
• Parallel-in-Time Integration TechniquesSIAM Conference on Parallel Processing for Scientific Computing (PP22), virtual, February 2022 (together with Stephanie Friedhoff, Bergische Universität Wuppertal, Germany)
• Spectral Deferred Correction Methods for Time IntegrationSIAM Conference on Computational Science and Engineering (CSE21), virtual, March 2021 (together with Michael Minion, Lawrence Berkeley National Laboratory, USA)
• Spectral Deferred Correction Methods for Time IntegrationSciCADE 2019, Insbruck, Austria, July 2019 (together with Michael Minion, Lawrence Berkeley National Laboratory, USA)
• Algorithmic Challenges in PDE-constrained OptimizationIFIP TC 7 Conference on System Modelling and Optimization, Essen, Germany, July 2018 (together with Martin Siebenborn, University of Hamburg, Germany)

2025

• Hard-constraining Boundary Conditions for Physics-Informed Neural Operators Conference on Mathematics of Machine Learning, Hamburg, Germany, September 2025
• Parallelization in time for inverse problems Parallel-in-time algorithms for exascale applications (14th Workshop on Parallel-in-Time Integration), Edinburgh, UK, July 2025
• ML-enhanced Numerics: From Super-resolution to Neural Operators for Parallel-in-Time Methods Go20 Conference, Gozo, Malta, May 2025 (invited)
• Neural Operator-accelerated Parallel-in-Time Methods95th GAMM Annual Meeting, Poznan, Poland, April 2025
• Physics-Informed Machine Learning for Science and EngineeringMLE Day 2025, Hamburg, Germany, April 2025 (invited)
• ML-enhanced numerics for science and engineeringAnnual Meeting of EMS activity group on Scientific Machine Learning, Milan, Italy, March 2025 (poster)
• Data Meets Physics: Physics-Informed Machine Learning and Learning-Informed PhysicsVISTA seminar & School of Graduate Research (VISOR) matchmaking event, Hamburg, Germany, February 2025 (keynote)

2024

• Parallel-in-time methods for PDE-constrained optimization Universidad de Malaga, Malaga, Spain, November 2024 (invited)
• ML-accelerated parallel-in-time PDE-constrained optimization Workshop “Control and Optimization in the Age of Data”, Bayreuth, Germany, September 2024
• Parallelization in time for optimal control and inverse problems 31st IFIP TC-7 “System Modeling and Optimization” conference, Hamburg, Germany, August 2024 (invited)
• Advances in Spectral Deferred Correction Methods Workshop “Exploiting Algebraic and Geometric Structure in Time-Integration Methods”, Pisa, Italy, April 2024 (Poster)
• Parareal with Physics-Informed Neural Operators as Coarse Propagator Algoritmy 2024 - Central-European Conference on Scientific Computing, High Tatra Mountains, Slovakia, March, 2024 (invited)

2023

• Parareal with a Physics Informed Neural Network as coarse propagatorSDC Days 2023, Jülich, Germany, December 2023
• PDE-constrained optimization meets ParaDiag12th Workshop on Parallel-in-time Integration, Hamburg, Germany, July 2023 (poster)
• Combining numerical methods and machine learning for physical and engineering sciencesConference on Deep Learning for Computational Physics, London, UK, July 2023 (poster)
• Parallelization in time for optimal control and inverse problems93rd GAMM Annual Meeting, Dresden, Germany, May/June 2023
• Accelerating Parallel-in-Time Methods with Machine LearningSIAM Conference on Computational Science and Engineering (CSE23), Amsterdam, The Netherlands, February/March 2023 (poster)

2022

• Physics-informed machine learningMLE Days Hamburg, Germany, September 2022 (invited)
• Machine learning for parallel-in-time methods?92nd GAMM Annual Meeting, Aachen, Germany, August 2022
• Machine learning for parallel-in-time methods? International Conference on Scientific Computation and Differential Equations (SciCADE), Reykjavík, Iceland, July 2022 (invited)
• Machine learning for parallel-in-time methods? 11th Workshop on Parallel-in-Time Integration, Marseille, France, July 2022
• Efficient algorithms for models in physical and engineering sciencesCDCS Opening symposium, Hamburg, Germany, April 2022 (poster)

2021

• Parallelization in time for optimal control and inverse problems91st GAMM Annual Meeting, virtual, March 2021
• SDC-based Methods for SDEsSIAM Conference on Computational Science and Engineering (CSE21), virtual, March 2021 (invited)

2020

• N Ways to Fool the Masses (or Yourself) When Presenting PinT Results9th Workshop on Parallel-in-Time Integration, virtual, June 2020
• Warmstarting PFASST IterationsSIAM Conference on Parallel Processing, Seattle, USA, February 2020 (invited)

2019

• Towards adaptive Parallel-in-time PDE-constrained Optimization6th International Conference on Continuous Optimization (ICCOPT), Berlin, Germany, August 2019 (invited)
• Quantitative Simulation of Garment Fitting9th International Congress on Industrial and Applied Mathematics (ICIAM), Valencia, Spain, July 2019
• Towards adaptive Parallel-in-time PDE-constrained OptimizationSIAM Conference on Computational Science and Engineering, Spokane, USA, February 2019 (invited)

2018

• Parallel-in-Time PDE-constrained Optimization using PFASST23rd International Symposium on Mathmatical Programming (ISMP), Bordeaux, France, July 2018 (invited)
• Mathematik für zerstörungsfreies PrüfenTag der Mathematik, Berlin, Germany, April 21, 2018 (outreach)
• Computational Methods for Nondestructive Testing by Active ThermographyGAMM Annual Meeting 2018, Munich, Germany, March 21, 2018

2017

• Parallel-in-Time Methods based on PFASST for Parabolic Optimal Control Problems6th Parallel-in-Time Workshop, Ascona, Switzerland, October 24, 2017
• Simulation und Identifizierung von Delaminationen in kohlenstofffaserverstärkten KunststoffenThermographie-Kolloquium 2017, Berlin, Germany, September 28, 2017
• Parallel-in-Time Methods for Parabolic Optimal Control ProblemsGAMM Annual Meeting 2017, Weimar, Germany, March 9, 2017
• Lossy Compression of Finite Element Solutions for Reducing Communication in Time-Parallel SimulationsInternational Conference on Domain Decomposition Methods DD24, Longyearbyen, Norway, February 6, 2017 (invited)

2016

• Non-Uniform Adaptive Lossy Compression for Optimal Control of Parabolic PDEs5th International Conference on Continuous Optimization, Tokyo, Japan, August 8, 2016 (invited)
• Ray Tracing Boundary Value Problems: Simulation and SAFT Reconstruction for Ultrasonic Testing19th World Conference on Non-Destructive Testing, Munich, Germany, June 17, 2016
• Quantitative Defect Reconstruction in Active Thermography for Fiber-Reinforced Composites19th World Conference on Non-Destructive Testing, Munich, Germany, June 16, 2016
• Lossy Compression for Efficient Time-Parallel PDE SolversJoint Annual Meeting of GAMM and DMV, Braunschweig, Germany, March 10, 2016

2015

• Adaptive Lossy Trajectory Compression for Optimal Control of Parabolic PDEs27th IFIP TC7 Conference on System Modelling and Optimization, Sophia-Antipolis, France, June 29, 2015 (invited)
• Determination of Defect Parameters Using Active ThermographyApplied Inverse Problems Conference, Helsinki, Finland, May 26, 2015 (invited)
• Wavelet-based Lossy Trajectory Compression for Optimal Control of Parabolic PDEsGAMM Annual Meeting 2015, Lecce, Italy, March 27, 2015

2014

• Adaptive Lossy Trajectory Compression for Optimal Control of Parabolic PDEs6th International Conference on Computational Methods in Applied Mathematics (CMAM-6), St. Wolfgang, Austria, October 2, 2014
• Adaptive Lossy Trajectory Compression for Optimal Control of Parabolic PDEsGAMM Annual Meeting 2014, Erlangen, Germany, March 12, 2014

2013

• Wie Datenkompression bei Herzkammerflimmern hilftVisit of Schools from Berlin, Bochum and Finland, Zuse Institute Berlin, Germany, October 17, 2013 (outreach)
• Lossy Compression in Optimal Control of DefibrillationEuropean Conference on Computational Optimization (EUCCO), Chemnitz, Germany, July 17, 2013 (invited)
• Lossy Compression of FE Trajectories for Time-dependent Optimal ControlWorkshop Multiple Shooting and Time Domain Decomposition Methods, Heidelberg, Germany, May 7, 2013
• Compression in Optimal Control of DefibrillationGAMM Annual Meeting 2013, Novi Sad, Serbia, March 20, 2013
• Wie Datenkompression bei Herzkammerflimmern hilftMatheon MathInside, Urania, Berlin, Germany, January 15, 2013 (outreach)

2012

• Data Enhancement for Active Thermography11th Quantitative InfraRed Thermography (QIRT 2012), Naples, Italy, June 11, 2012
• Wie Datenkompression bei Herzkammerflimmern hilftLange Nacht der Wissenschaften, Zuse Institute Berlin, Germany, June 2, 2012 (outreach)
• Lossy Compression of State TrajectoriesGAMM Annual Meeting 2012, Darmstadt, Germany, March 27, 2012
• Lossy Compression of State TrajectoriesSeminar of the SFB “Mathematical Optimization and Applications in Biomedical Sciences”, University of Graz, Austria, March 21, 2012 (invited)

2011

• Fast Defect Shape Reconstruction Based on the Travel Time in Pulse ThermographyInternational Symposium on Nondestructive Testing of Materials and Structures (NDTMS), Istanbul, Turkey, May 16, 2011

2010

• State Trajectory Compression for Optimal Control with Parabolic PDEsOberseminar Angewandte Mathematik, University of Münster, Germany, December 16, 2010 (invited)
• Solving Optimal Control Problems: Trajectory Compression and ImplementationDUNE User Meeting, Stuttgart, Germany, October 7, 2010
• State Trajectory Compression in Optimal ControlWorkshop Analysis and Numerics of PDE Constrained Optimization, Lambrecht/Pfalz, Germany, July 22, 2010
• State Trajectory Compression in Optimal ControlGAMM Annual Meeting 2010, Karlsruhe, Germany, March 25, 2010