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SUMMARY:Dirac-Schrödinger operators and a general Callias Theorem [Oberse
 minar Global Analysis and Operator Algebras]
DTSTART:20250114T131500Z
DTEND:20250114T141500Z
DTSTAMP:20260305T165400Z
UID:indico-event-162@math-events.uni-bonn.de
DESCRIPTION:Speakers: Koen van den Dungen (Mathematical Institute)\n\nClas
 sical Dirac-Schrödinger operators are given by Dirac-type operators on a 
 smooth manifold\, together with a potential. I will describe a general not
 ion of Dirac-Schrödinger operators with arbitrary signatures (with or wit
 hout gradings)\, which allows us to study index pairings and spectral flow
  simultaneously. I will then provide a general Callias Theorem\, which com
 putes the index (or the spectral flow) of Dirac-Schrödinger operators on 
 a compact hypersurface. In a special case\, I will explain how the result 
 can be computed in terms of well-known index pairings on the hypersurface.
  \n\nhttps://math-events.uni-bonn.de/event/162/
LOCATION:Seminarraum 0.008 (Mathezentrum)
URL:https://math-events.uni-bonn.de/event/162/
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