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jrahenbr

Dr. Annegret Burtscher (Nimwegen): On the volume of generalized tubes. Oberseminar Topics in General Relativity

Monday, 11.04.2022 14:00 im Raum SRZ204

Mathematik und Informatik

Consider a small spherical tube around a compact submanifold M in Euclidean space. In 1939 Weyl showed that the volume of such a tube only depends on the radius of the tube and the intrinsic curvature of M. What happens for tubes with more complicated cross sections D? We will see that under sufficiently strong symmetry assumptions on D the tube volume turns out to be still intrinsic. This gives hope that causal tubes around spacelike submanifolds in Minkowski space also exhibit such nice properties. In the Lorentzian setting, however, the situation is more subtle. Joint work with Gert Heckman.



Angelegt am Thursday, 31.03.2022 13:30 von jrahenbr
Geändert am Thursday, 31.03.2022 13:30 von jrahenbr
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