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SUMMARY:On the local well-posedness of Horndeski theories - Áron Kovács 
 (University of Cambridge)
DTSTART:20190315T130000Z
DTEND:20190315T140000Z
UID:TALK118768@talks.cam.ac.uk
CONTACT:Nathan Johnson-McDaniel
DESCRIPTION:Horndeski theories have received a lot of attention as they ar
 e fairly simple modifications of General Relativity. However\, these theor
 ies can only be considered viable if they possess a well-posed initial val
 ue formulation. For diffeomorphism-covariant theories (such as General Rel
 ativity and Horndeski theories) this property depends on the choice of gau
 ge. It was demonstrated recently that in a generalization of the harmonic 
 gauge\, most Horndeski theories are not well-posed. In this talk\, I will 
 discuss some recent results on the well-posedness of Horndeski theories in
  some other formulations.
LOCATION:Pavilion B Potter Room (B1.19)
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