DPG Phi
Verhandlungen
Verhandlungen
DPG

Heidelberg 1999 – wissenschaftliches Programm

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GR: Gravitation und Relativitätstheorie

GR 1: Hawking Radiation, Light Rays in the Gravitational Field

GR 1.2: Hauptvortrag

Montag, 15. März 1999, 14:40–15:20, AM1

Global variational methods in general relativity with applications to gravitational lensing — •Fabio Giannoni — Dipartimento di Matematica e Fisica, Università di Camerino, 62032 Camerino, Italy

The viewpoint of the Global Critical Point Theory (using for instance Lusternik-Schnirelman Theory or Morse Theory) allows to face the study of multiplicity problems for light rays and timelike curves in Lorentzian geometry. A typical application is a mathematical description of the gravitational lens effect.

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