[Todos CMAT] Exposición Dr. Hermann Nicolai, Albert Einstein Institut
Claudia Alfonzo
claudia en cmat.edu.uy
Lun Mar 13 11:02:29 UYT 2017
Difundo a solicitud de Javier Peraza.
El martes *28 de marzo* a las *11:00 *en el *salón de seminarios* del
CMAT en el *piso 16*
Dr. Hermann Nicolai del Albert Einstein Institut, Berlin va exponer sobre
*"Cosmological Billiards: an **introduction"**
*
Abstract: "The classic analysis of space-like singularities in Einstein's
theory by Belinski, Khalatnikov and Lifshitz (BKL) has revealed a very
complicated behavior of the metric near the singularity. More recently
the occurrence of chaotic metric oscillations has been linked to an
infinite dimensional symmetry of hyperbolic Kac--Moody type, which
vastly extends
known symmetries of Einstein's equations in certain reductions (such as
the Ehlers and the Geroch group). In this talk I will review these
developments at an introductory level."
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