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SUMMARY:On stability of exponential cosmological   solutions with non-stat
 ic volume factor in  the Einstein-Gauss-Bonnet  model
DTSTART;VALUE=DATE-TIME:20161011T134500Z
DTEND;VALUE=DATE-TIME:20161011T140000Z
DTSTAMP;VALUE=DATE-TIME:20260720T002439Z
UID:indico-contribution-591@cern.ch
DESCRIPTION:Speakers: Vladimir Ivashchuk (Center for Gravitation\, VNIIMS)
 \nA $(n+1)$-dimensional  gravitational model with Gauss-Bonnet term and co
 smological constant term  is  considered. When  ansatz with diagonal  cosm
 ological  metrics is adopted\,  the solutions  with  exponential dependenc
 e of scale factors:  $a_i \\sim \\exp{ ( v^i t) }$\, $i =1\, \\dots\, n $\
 , are considered.\n We study the stability of the solutions  with non-stat
 ic volume factor\, i.e. if\n $K(v) =  \\sum_{k = 1}^{n} v^k \\neq 0$.  We 
 prove that under certain restriction $R$ imposed  solutions with \n  $K(v)
  > 0$ are stable  while  solutions with $K(v)  0$ and  zero variation of t
 he effective gravitational constant  are stable if the restriction $R$ is 
 obeyed.\n\nhttps://indico.particle.mephi.ru/event/4/contributions/591/
LOCATION:Milan Hotel Rossini
URL:https://indico.particle.mephi.ru/event/4/contributions/591/
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