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Singular Spectrum under a Wide Class of Perturbations

28.01.2026, 12:00 Uhr  –  Haus 9, Raum 2.22
Hochschulöffentlicher Vortrag

Constanze Liaw (Delaware)

anschließend Lehrprobe: “Implicit Function Theorem”

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Universität Potsdam
Institut für Mathematik
Campus Golm, Haus 9
Karl-Liebknecht-Str. 24-25
D-14476 Potsdam

Aktivitäten

22.01.2026, 16:15 Uhr  –  Raum 1.22, Haus 9
Forschungsseminar Differentialgeometrie

Index theory and spectral flow of Toeplitz operators

Koen van den Dungen (Bonn)

Dirac-Schrödinger operators (or Callias-type operators) are given by Dirac-type operators on a smooth manifold, together with a potential. I will describe a general setting with arbitrary signatures... 

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23.01.2026, 10:15  –  Campus Golm, Building 9, Room 2.22 and via Zoom
Arbeitsgruppenseminar Analysis

Spectral truncations and operator systems in noncommutative geometry

Malte Leimbach (MPI Bonn)

Spectral truncations are compressions of spectral triples by spectral projections for the Dirac operator. This formalism was introduced by Connes--van Suijlekom to reflect constraints on the... 

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23.01.2026, 11:15  –  Campus Golm, Building 9, Room 2.22 and via Zoom
Arbeitsgruppenseminar Analysis

Multisymplectic structures in Lagrangian Field Theory

Janina Bernardy (MPI Bonn)

According to Cariñena, Crampin, and Ibort multisymplectic structures are “the field theoretical analogues of the symplectic structures used in geometrical mechanics”. Multisymplectic geometry can... 

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28.01.2026, 12:00 Uhr  –  Haus 9, Raum 2.22
Hochschulöffentlicher Vortrag

Singular Spectrum under a Wide Class of Perturbations

Constanze Liaw (Delaware)

anschließend Lehrprobe: “Implicit Function Theorem”

mehr erfahren

29.01.2026, 16:15  –  Building 9, Room 1.22 (Joint session with Analysis group)
Forschungsseminar Differentialgeometrie

Equivalence between local and global Hadamard States with Robin boundary conditions on half-Minkowski spacetime

Claudio Dappiaggi (Pavia)

We construct the fundamental solutions and Hadamard states for a Klein-Gordon field in half-Minkowski spacetime with Robin boundary conditions in arbitrary dimensions using a generalisation of the... 

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