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SUMMARY:Konstantinos F. Dialektopoulos (Yangzhou University)
DTSTART:20201013T131500Z
DTEND:20201013T144500Z
DTSTAMP:20260423T004546Z
UID:UTPhysics/3
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/UTPhysics/3/
 ">Recent developments in Horndeski theory and beyond</a>\nby Konstantinos 
 F. Dialektopoulos (Yangzhou University) as part of Theoretical physics sem
 inar @ Tartu\n\nLecture held in Physicum room A101\, University of Tartu\,
  Estonia.\n\nAbstract\nThe most general scalar-tensor theory with a single
  scalar field\, in four dimensions\, leading to second order field equatio
 ns was introduced by Gregory Horndeski in 1974 and it took his name since.
  Even though G. Horndeski abandoned physics to become a painter soon after
  he developed this theory\, in the late '00s the theory was rediscovered a
 s generalized Galileons. In this talk\, I will review its recent discovery
  and discuss why it is a powerful tool to explore cosmology and astrophysi
 cs beyond general relativity. I will also present its current status after
  GW170817 and I will give a brief introduction in its generalizations\, i.
 e.\, Degenerate Higher Order Scalar Tensor (DHOST) theories.\n
LOCATION:https://researchseminars.org/talk/UTPhysics/3/
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