Institut für Angewandte Mathematik |
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Seminar Operator Theory |
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This seminar is devoted to current research talks in the field of operator theory and its applications. It regularly takes place on Thursday, 12:15, in the seminar room AE02, Steyrergasse 30, ground floor, but time and place may change. The seminar is organized by Univ.-Prof. Dr. Jussi Behrndt, Dr. Petr Siegl, and Dr. Markus Holzmann. | ||
2023 |
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| 5.10.2023 | Delio Mugnolo (Fernuniversität Hagen) | |
| Spectral Estimates for Laplace operators, Geometry of Graphs, and Expanders, abstract | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 28.9.2023 | Nathanael Skrepek (TU Freiberg) | |
| Boundary triples with quasi Gelfand triples, abstract | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 2.8.2023 | Bernhard Aigner | |
| Über geometrische Eigenschaften von Banachräumen | ||
| 12:30, SR AE06, Steyrergasse 30, ground floor | ||
| 22.6.2023 | Georg Stenzel (TU Graz) | |
| Spectral analysis of Schrödinger operators with oblique transmission conditions in R^2 | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 15.6.2023 | Matej Tusek (CTU Prague) | |
| Echoes of the Klein paradox in approximations of the relativistic point interactions, abstract | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 15.6.2023 | Lukas Heriban (CTU Prague) | |
| Non-local relativistic delta shell interactions, abstract | ||
| 13:00, SR AE02, Steyrergasse 30, ground floor | ||
| 25.5.2023 | Markus Holzmann (TU Graz) | |
| Approximation of magnetic Schrödinger operators with electric delta-potentials supported on networks | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 11.5.2023 | Petr Siegl (TU Graz) | |
| Generalized Airy Operators, abstract | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 4.5.2023 | Fritz Gesztesy (Baylor University, Waco, TX, USA) | |
| Some recent developments in Hardy-type inequalities, abstract | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 27.4.2023 | Henk de Snoo (University of Groningen, Netherlands) | |
| Boundary triplets and Weyl functions for the Bessel operator | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 23.3.2023 | Marco Vogel (Universität Oldenburg) | |
| Spectral properties of Robin-Laplacians on sharp infinite cones, abstract | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 16.3.2023 | Nicolas Weber (TU Graz) | |
| Spectral asymptotics of Landau Hamiltonians under delta perturbations (with Toeplitz operators) in R^2 | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 9.3.2023 | Iveta Semoradova (TU Graz) | |
| Asymptotic behaviour of eigenfunctions of Schrödinger operators | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 26.1.2023 | Romana Kvasničková (CTU Prague / TU Graz) | |
| Weakly coupled eigenvalues | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 19.1.2023 | Dale Frymark (TU Graz) | |
| Non-relativistic limits of Dirac Operators in Confinement | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 12.1.2023 | Georg Stenzel (TU Graz) | |
| Schrödinger operators with generalized oblique transmission conditions | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
2022 |
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| 15.12.2022 | Zhu Li | |
| On essential numerical ranges and essential spectra of linear Hamiltonian systems with one singular endpoint | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 1.12.2022 | Christian Stelzer | |
| Approximation of Dirac operators with delta-potentials | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 17.11.2022 | Borbala Gerhat (CTU Prague) | |
| An improved discrete Rellich inequality on the half-line, abstract | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 3.11.2022 | Sabine Bögli (Durham University, GB) | |
| Constructing Schrödinger operators with prescribed eigenvalues, abstract | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 3.11.2022 | Fritz Gesztesy (Baylor Universit, USA) | |
| Sturm–Liouville M-Functions in Terms of Green’s Functions | ||
| 13:00, SR AE02, Steyrergasse 30, ground floor | ||
| 20.10.2022 | Georg Stenzel (TU Graz) | |
| Schrödinger operators with oblique transmission conditions in R^2 | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 13.10.2022 | Romana Kvasničková (CTU Prague / TU Graz) | |
| Absence of embedded boundstates in semi-Dirac semi-metals, abstract | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 6.10.2022 | Seppo Hassi (University of Vaasa, Finland) | |
| Representation theorems for general semibounded forms | ||
| 12:15, SR AE02, Steyrergasse 30, ground floor | ||
| 6.10.2022 | Henk de Snoo (University of Groningen, Netherlands) | |
| Friedrichs and Krein type extensions | ||
| 13:00, SR AE02, Steyrergasse 30, ground floor | ||