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SUMMARY:Cluster poisson structure on the configuration space of lines in 3
 -space
DTSTART:20260904T120000Z
DTEND:20260904T130000Z
DTSTAMP:20260910T060900Z
UID:indico-event-17083@indico.math.cnrs.fr
CONTACT:kellendonk@math.univ-lyon1.fr\;athomas@math.univ-lyon1.fr
DESCRIPTION:Speakers: Dani Kaufman (MPIS Leipzig)\n\nI will present some w
 ork in progress which produces cluster poisson structures on PGL_n configu
 ration spaces of partial flag varieties. The simplest interesting case is 
 the space of PGL_4 configurations of points of the Grassmannian Gr(2\,4)\,
  i.e. lines in projective 3 space. The construction uses ideas from Goncha
 rov and Kontsevich on a  spectral description of these configuration spac
 es and my recent work on non-commutative cluster varieties\, so I will als
 o give a brief overview of these ideas too.  This work is motivated by so
 me applications to the computation of scattering amplitudes in N=4 SYM the
 ory. \n\nhttps://indico.math.cnrs.fr/event/17083/
LOCATION:Salle Fokko du Cloux (Bat. Braconnier)
URL:https://indico.math.cnrs.fr/event/17083/
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