In continuation of the previous workshops, the topics of this workshop include, but are not limited to,

• Fast Boundary Element Methods:
  Wavelets, Fast Multipole, Panel Clustering, Adaptive Cross Approximation, Hierarchical Matrices,...
• Efficient Solution Methods:
  Preconditioning, Domain Decomposition, Parallelization,...
• A Posteriori Error Estimates and Adaptive Methods
• Transient Boundary Value Problems
• Space-Time Discretization Methods
• Coupled Field Problems
• Optimization and Inverse Problems
• Industrial and Engineering Applications
• ...

The scientific program of the workshop will start on Thursday, 24.9.2026, 4.00 pm, and will close on Sunday, 27.9.2026, noon.
The Söllerhaus is situated in the beautiful surroundings of the Kleinwalsertal. Although it belongs to Austria, it can be reached only from Germany via Oberstdorf. Nearest airports are Memmingen and Munich.
Depending on the number of participants the costs of staying at the Söllerhaus will be approximately 300 Euro, inclusive full board, exclusive drinks.

To register for the workshop with or without a talk please send an e-mail to o.steinbach@tugraz.at until September 7, 2026. Please include an abstract (LaTeX or plain text file) if you like to present a talk. The preliminary program and additional information will be sent out mid of September.

List of participants (as of September 9, 2026)

1. Nikhil Arora (Graz)
2. Louis Affret (Paris)
3. Mathieu Christen (St. Louis/Graz)
4. Xavier Claeys (Paris)
5. Herbert Egger (Linz)
6. Alexander Freiszlinger (Wien)
7. Gregor Gantner (Twente)
8. Heiko Gimperlein (Innsbruck)
9. Benedikt Grässle (Zürich)
10. Bhagyasree Girija Hari (Graz)
11. Moritz Hartmann (Kiel)
12. Ralf Hiptmair (Zürich)
13. Carlos Jerez Hanckes (Stockholm)
14. Tobias Kaltenbacher (Graz)
15. Thomas Kramer (Graz)
16. Stefan Kurz (Renningen/Zürich)
17. Chuhe Lin (Zürich)
18. Dalibor Lukas (Ostrava)
19. Zbysek Machaczek (Ostrvava)
20. Quang Huy Nguyen (Ghent)
21. Franz Nowakowsky (Twente)
22. Günther Of (Graz)
23. Mario Rammelmüller (Graz)
24. Michael Reichelt (Hamburg)
25. Tomas Roubal (Prague)
26. Martin Schanz (Graz)
27. Jakob Schratter (Graz)
28. Christina Schwarz (Bayreuth)
29. Medha Shruti (Graz)
30. Jimena Lozano Simon (Bonn)
31. Olaf Steinbach (Graz)
32. Ernst P. Stephan (Hannover)
33. Lucia Swoboda (Gothenburg)
34. Davide Terazzi (Pavia)
35. Carolina Urzua Torres (Delft)

Contact:
Univ.-Prof. Dr. Olaf Steinbach
Institut für Angewandte Mathematik
Technische Universität Graz
Steyrergasse 30
A 8010 Graz
o.steinbach@tugraz.at