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Sandra Huppert

Oberseminar Differentialgeometrie: Annegret Burtscher (Universität Radboud), Vortrag: The many faces of globally hyperbolic spacetimes

Wednesday, 08.05.2024 16:00 im Raum SRZ 202

Mathematik und Informatik

The notion of global hyperbolicity was introduced by Jean Leray in 1952 to obtain global uniqueness of solutions to nonlinear wave equations. Globally hyperbolic spacetimes subsequently turned out to be the right geometric setting not only for the well-posedness of the initial value formulation for the Einstein equations in General Relativity but also for the singularity theorems of Penrose and Hawking and several splitting results in Lorentzian geometry. We review the rich history and omnipresence of global hyperbolicity in General Relativity. Then we present a surprising new characterization of globally hyperbolic spacetimes that makes use of ideas and tools from metric geometry.



Angelegt am 07.03.2024 von Sandra Huppert
Geändert am 08.05.2024 von Sandra Huppert
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