Advanced Seminar Analysis/Numerics
Advanced Seminar Analysis/Numerics
Regular participants in the winter term 2025-2026
Tim Bluhm, Alexey Chernov, Daniel Grieser, Paul Hafemann, Noah Körner, Alexander Meiners, Konstantin Pankrashkin, Matheus Hudson Gama dos Santos, Frank Schöpfer, Ivan Shestakov, Tung Le, Hannes Uecker, Boris Vertman, Nick Wulbusch
Winter semester 2025-2026
The seminar takes place weekly on Thursdays in W01 0-006. We meet for coffee at 14:00. The talks start at 14:30.
For questions or talk requests, please contact or
Date | Time | Speaker | Title |
|---|---|---|---|
|
| ||
23.10.2025 | 14:30 | ||
30.10.2025 | 14:15(!) | Kiyan Naderi (University of Innsbruck) | |
| 30.10.2025 | 15:10(!) | Manuel Hohmann (University of Tartu) | Observer space geometry: introduction to Finsler and Cartan geometries |
06.11.2025 | 14:30 | Konstantin Pankrashkin (University of Oldenburg) | |
13.11.2025 | 14:30 | Andreas Knauf (FAU Erlangen-Nuremberg) | Phase space compactification and regularisation for celestial bodies |
14.11.2025(!) | 14:15 | Erik Schetzke (Fraunhofer Institute FKIE, Wachtberg) | Nonconforming hp-FE/BE coupling on unstructured meshes based on Nitsche's method |
20.11.2025 | 14:30 | ||
27.11.2025 | 14:30 | ||
04.12.2025 | 14:30 | ||
11.12.2025 | 14:30 | Yunyun Yang (Heifei University of Technology, China) | |
18.12.2025 | 14:30 | ||
08.01.2026 | 14:30 | ||
15.01.2026 | 14:30 | Hellen Monção de Carvalho Santana (São Carlos, Brazil) | |
15.01.2026 | 14:30 |
| |
22.01.2026 | 14:30 | ||
29.01.2026 | 14:30 | Badreddine Benhellal (TU Hamburg) | Lindau-Dirac operators with shell interactions: self-adjointness and eigenvalues clustering |
Summer semester 2025
The seminar takes place weekly on Thursdays at 14:15 in W1 1-117.
For questions or talk requests, please contact
Date | Time | Speaker | Title |
|---|---|---|---|
17.04.2025 | 14:15 | ||
24.04.2025 | 14:15 | ||
01.05.2025 | Labour Day | No lecture | |
08.05.2025 | Alexander Meiners (University of Oldenburg) | ||
15.05.2025 | 14:15 | ||
22.05.2025 | 14:15 | ||
29.05.2025 | Ascension Day | No lecture | |
05.06.2025 | 14:15 | Lothar Schiemanowski (Christian-Albrechts-Universität zu Kiel) | |
12.06.2025 | 14:15 | Oliver Fürst (University of Bonn) | |
19.06.2025 | 14:15 | ||
26.06.2025 | 14:15 | Robert Schlesier (University of Leipzig) | Renormalisation of φ⁴-Theorieson Compact Riemannian Manifolds with Asymptotic Heat Kernel Expansions |
03.07.2025 | 14:15 | Abdallah Maichine (Mohammed V University, Rabat) | Characterisation of invariant operators under magnetic translations and applications |
10.07.2025 | 14:15 | Sven-Ole Behrend (Christian-Albrechts-Universität zu Kiel) | The connections between hyperkähler and special Kähler structures |
17.07.2025 | 14:15 | ||
24.07.2025 | 14:15 | Roland Welter (University of Hamburg) |
Winter semester 2024-2025
The seminar takes place weekly on Thursdays at 14:15 in W1 0-006.
For questions or talk requests, please contact
Date | Time | Speaker | Title |
|---|---|---|---|
24.10.2024 | 14:15 | ||
31.10.2024 | 14:15 | ||
07.11.2024 | 14:15 | Daniel Grieser (Oldenburg) | Geometry of singular spaces |
14.11.2024 | 14:15 | ||
21.11.2024 | 14:15 | Max Pfeffer (University of Göttingen) | Manifold optimisation in data science |
28.11.2024 | 14:15 | ||
05.12.2024 | 14:15 | ||
12.12.2024 | 14:15 | Rares Stan (Institute of Mathematics of the Romanian Academy & University of Göttingen) | The Selberg zeta function on degenerating hyperbolic surfaces |
19.12.2024 | 14:15 | ||
09.01.2025 | 14:15 | Ursula Ludwig (Université Côte d'Azur) | Torsion and refined torsion on singular spaces |
16.01.2025 | 14:15 | ||
23.01.2025 | 14:15 | ||
30.01.2025 | 14:15 | ||
| 20.02.2025 | 14:15 | Mikko Salo (University of Jyväskylä) | Rigidity in the Lorentzian Calderón problem |
| 10.03.2025 | 10:15 | Christopher Judge (Indiana University) | Circle actions on manifolds and the generic irreducibiity of Laplace eigenspaces |
Additional sessions:
- 02.10.2024: Groningen-Oldenburg-Utrecht seminar on Analysis and Mathematical Physics, Oldenburg
- 10-11 October 2024: Facets of Mathematics: Discrete, Smooth, and Singular (in honour of Daniel Grieser), Oldenburg
- 31.01.2025: Bremen-Hamburg²-Kiel-Oldenburg-Seminar Functional Analysis and its Applications, Oldenburg
Summer semester 2024
The seminar takes place weekly on Thursdays at 14:15 in W1 0-006.
For questions or talk requests, please contact
| Date | Time | Speaker | Title |
11.04.2024 | 14:15 | ||
18.04.2024 | 14:15 | ||
25.04.2024 | 14:15 | ||
02.05.2024 | 14:15 | ||
09.05.2024 | no seminar | ( Ascension Day ) | |
16.05.2024 | 14:15 | ||
23.05.2024 | 14:15 | ||
30.05.2024 | 14:15 | ||
06.06.2024 | 14:15 | ||
13.06.2024 | 14:15 | ||
20.06.2024 | 14:15 | ||
27.06.2024 | 14:15 | ||
04.07.2024 | 14:15 |
Winter semester 2023-2024
The seminar takes place weekly on Thursdays at 14:15 in W1 0-006.
For questions or talk requests, please contact
| Date | Time | Speaker | Title |
26.10.2023 | 14:15 | Luiz Hartmann (Sao Carlos, Brazil) | An Atiyah-Bott formula for the Lefschetz number of a singular foliation |
02.11.2023 | 14:15 | ||
09.11.2023 | 14:30 | Konstantin Pankrashkin (UOL) | Introduction to third-party funding for newbies |
16.11.2023 | 14:15 | Firoj Sk (UOL) | On Morrey's inequality in fractional Sobolev spaces |
23.11.2023 | 14:15 | ||
30.11.2023 | 14:15 | ||
07.12.2023 | 14:15 | Charlotte Dietze (LMU Munich) | Spectral estimates for Schrödinger operators with Neumann boundary conditions on Hölder domains |
14.12.2023 | 14:15 | ||
21.12.2023 | 14:15 | Sven Jarohs (Uni Frankfurt) | Differentiability of the nonlocal-to-local transition in fractional Poisson problems |
11.01.2024 | 14:15 | ||
18.01.2024 | 14:15 | ||
25.01.2024 | 14:15 | Michela Egidi (Rostock) | Sampling sets on metric graphs and bounds on the L2-norm of eigenfunctions |
01.02.2024 | 14:15 |
Further seminars:
- 02.02.2024: Bremen-Hamburg2-Kiel-Oldenburg seminar on functional analysis, Bremen,
- 16.02.2024: Groningen-Oldenburg-Utrecht seminar on spectral theory, Groningen.
Summer semester 2023
The seminar takes place weekly on Thursdays at 14:15 in W1 0-006.
For questions or talk requests, please contact
| Date | Time | Speaker | Title |
20.04.2023 | 14:15 | ||
27.04.2023 | 14:15 | ||
04.05.2023 | 14:15 | ||
11.05.2023 | 14:15 | ||
18.05.2023 | 14:15 | No Talk | Ascension Day |
25.05.2023 | 14:15 | Jørgen Lye (Hanover) | Geodesics orbiting a singularity |
01.06.2023 | 14:15 | Raffael Hagger (Kiel) | On the spectrum of the double-layer operator on dilation-invariant domains |
08.06.2023 | 14:15 | ||
15.06.2023 | 14:15 | ||
22.06.2023 | 14:15 | Andreas Defant (Oldenburg) | Scaling a theorem of Hararld Bohr |
29.06.2023 | 14:15 | Ingo Witt (Göttingen) | Hyperbolic problems with totally characteristic boundary |
06.07.2023 | 14:15 | Orville Damaschke (Oldenburg) | An L²-index theorem for the Atiyah-Singer-Dirac operator on globally hyperbolic spacetimes |
13.07.2023 | 14:15 |
Winter semester 2022-2023
The seminar takes place weekly on Thursdays at 14:15 in W1 0-006.
For questions or talk requests, please contact
| Date | Time | Speaker | Title |
| 27.10.2022 | 14:15 | ||
| 03.11.2022 | 14:15 | Luiz Hartmann (Sao Carlos, Brazil) | Zeta and Fredholm determinants of self-adjoint operators |
| 10.11.2022 | 14:15 | Michel Ferré (Ben-Gurion university, Israel) | Invasion reversal by front transitions and their implications for ecosystem management |
| 17.11.2022 | 14:15 | No talk | |
| 24.11.2022 | 14:15 | No talk | |
| 01.12.2022 | 14:15 | Badreddine Benhellal (University of Oldenburg) | Spectral Analysis of Dirac Operators with delta interactions |
| 08.12.2022 | 14:15 | Daniel Grieser (University of Oldenburg) | The Calderón projector and Dirichlet-Neumann operator for fibred cusp geometries |
| 15.12.2022 | 14:15 | No talk | |
| 22.12.2022 | 14:15 | No talk | |
| 12.01.2023 | 14:15 | No talk | |
| 19.01.2023 | 14:15 | No talk | |
| 26.01.2023 | 14:15 | Noema Nicolussi (University of Potsdam) | Riemann surfaces and graphs: Asymptotics of canonical measures and Green functions |
| 02.02.2023 | 14:15 | T.B. | Bachelor thesis |
| 09.03.2023 | 14:15 | Brice Flamencourt (University of Stuttgart) | Cauchy spinors on 3-manifolds |
Summer semester 2022
The seminar takes place weekly on Thursdays at 14:15 (German time).
For questions or talk requests, please contact
| Date | Time | Speaker | Title |
| 28.04.2022 | 14:15 | ||
| 05.05.2022 | 14:15 | ||
| 12.05.2022 | 14:15 | Marco Vogel (Oldenburg) | Spectral properties of Robin-Laplace operators on pointed infinite cones |
| no advanced seminar | |||
| Public holiday | Ascension Day | ||
| 02.06.2022 | 14:15 | ||
| 09.06.2022 | 14:15 | Alexander Meiners (Oldenburg) | |
| no advanced seminar | |||
| 23.06.2022 | 14:15 | Dennis Sobotta (Oldenburg) | Geometric Resolution of Generalised Semi-Classical Operators |
| 30.06.2022 | 14:15 | Nick Wulbusch (Oldenburg) | Bayesian parameter identification of impedance boundary condition for Helmholtz problems |
| Lecture postponed to 21.07. | |||
| no advanced seminar | |||
| 21.07.2022 | 14:15 | Kiyan Naderi (Oldenburg) | Trace theorems for regular geometrical weighted trees |
Winter semester 2021-2022
The seminar takes place weekly on Thursdays at 14:15 (German time). Covid willing, the seminar takes place physically in W01 0-006. If requested by the speaker, the talk will take place online via BBB . In this case there will also be a live streaming of the talk in W01 0-006.
For questions or talk requests, please contact
Summer semester 2021
The online seminar takes place weekly on Thursdays at 14:15 (German time).
To attend, please contact
The announcements are forwarded to researchseminars.org/seminar/olana
Winter semester 2020-2021
The online seminar takes place weekly on Thursdays at 14:15 (German time).
To attend, please contact
| Date | Time | Speaker | Title |
| 19.11.2020 | 14:15 | Jørgen Olsen Lye (UOL) | Yamabe flow on singular spaces |
| 26.11.2020 | 14:15 | Mohammad Talebi (UOL) | Spectral geometry on manifolds with fibreed boundary |
| 03.12.2020 | 14:15 | Giuseppe Gentile (UOL) | On the prescribed graphical mean curvature flow on generalised Robertson-Walker spacetimes with asymptotically flat space-like slice |
| 10.12.2020 | 14:15 | Fedor Bakharev (Saint-Petersburg State U.) | Existence of the discrete spectrum of Dirichlet Laplacian in some unbounded domains |
| 17.12.2020 | 14:15 | Karl-Mikael Perfekt (U. of Reading) | Infinitely many embedded eigenvalues for the Neumann-Poincaré operator in 3D |
| 07.01.2021 | 14:15 | Tobias Marxen (UOL) | Ricci flow on incomplete manifolds |
| 14.01.2021 | 14:15 | Dario Prandi (U. Paris-Saclay, CNRS) | Point interactions for 3D sub-Laplacians |
| 21.01.2021 | 15:00 | Malte Behr (UOL) | Quasihomogeneous blow-ups and pseudodifferential calculus on SL(n,R) |
| 16:15 | Vladimir Rabinovich (Instituto Politécnico Nacional, Mexico) | Three-dimensional Dirac operators with singular potentials supported on unbounded surfaces | |
| 28.01.2021 | 14:15 | Brice Flamencourt (U. Paris-Saclay) | On the convergence of Dirac operators with large masses |
| 04.02.2021 | 14:15 | Jérémy Mougel (U. of Göttingen) | A regularity result for the bound states of N-body Schrödinger operators: Blow-ups and Lie manifolds |
The announcements are forwarded to researchseminars.org/seminar/olana.