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SUMMARY:Robert Saskowski - Higher-derivative Solution Generation with Stri
 ng Dualities
DTSTART:20260617T140000Z
DTEND:20260617T150000Z
DTSTAMP:20260622T190100Z
UID:indico-event-40211@indico.in2p3.fr
DESCRIPTION:Speakers: Robert Saskowski (Tianjin U.)\n\n.\nAbstract: In thi
 s talk\, I will discuss recent progress in the use of T- and U-dualities t
 o generate higher-derivative solutions. In particular\, I will show how to
  use an O(2\,1) boost to obtain the four-derivative corrections to the fou
 r-dimensional Kerr-Sen solution in heterotic supergravity for two choices 
 of four-derivative action\, one of which corresponds to the usual Bergshoe
 ff-de Roo action. In the process\, we will see that there is a consistent 
 truncation that can be used to restore the heterotic gauge fields. I will 
 then use a simple group theory argument to show the failure of U-duality f
 or solution generation at the four-derivative level in the case of the G_{
 2(2)} coset model obtained from minimal five-dimensional supergravity.\nLi
 nk: Visio\nAnLy: https://sites.google.com/view/anlystringsandfields\n \n
  \n\nhttps://indico.in2p3.fr/event/40211/
URL:https://indico.in2p3.fr/event/40211/
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