Centre de Physique Théorique

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Friday 20 November

14h00 – 15h00,

Minimal symmetry breaking of the cosmological principle and dominating dust

Thomas Schücker

We propose a definition of `minimal symmetry breaking’ of the cosmological principle. By Bianchi’s classification of all Lie algebras of Killing vectors on 3-spaces this minimal symmetry breaking allows for only three examples: the axial Bianchi I, V and IX universes. We show that the latter two are incompatible with the Einstein equations for dust.

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November 2020 :

October 2020 | December 2020