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DTSTART:19810329T020000
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BEGIN:VEVENT
UID:news774@dmi.unibas.ch
DTSTAMP;TZID=Europe/Zurich:20190212T172423
DTSTART;TZID=Europe/Zurich:20111007T000000
SUMMARY:Seminar Algebra and Geometry: Bruno Duchesne (The Hebrew University
  of Jerusalem)
DESCRIPTION:Symmetric spaces of non-compact type (which are simply-connecte
 d   Riemannian manifolds of non-positive curvature with a geodesic symmetr
 y   at each point) are classical and useful geometric tools to understand 
   finite-dimensional linear representations of groups.\\r\\nWe  will  look
  at some infinite dimensional symmetric spaces of non-positive   curvature
  which have a remarkable property : they have finite rank.   There exists 
 a positive integer p such that any isometrically embedded   Euclidean spac
 e has dimension at most p.\\r\\nThe  talk will  be focused on the properti
 es of these spaces and some group  actions  which come from (non-unitary) 
 infinite-dimensional  representations.
X-ALT-DESC:Symmetric spaces of non-compact type (which are simply-connected
    Riemannian manifolds of non-positive curvature with a geodesic symmetry
    at each point) are classical and useful geometric tools to understand  
  finite-dimensional linear representations of groups.\nWe  will  look at s
 ome infinite dimensional symmetric spaces of non-positive   curvature whic
 h have a remarkable property : they have finite rank.   There exists a pos
 itive integer p such that any isometrically embedded   Euclidean space has
  dimension at most p.\nThe  talk will  be focused on the properties of the
 se spaces and some group  actions  which come from (non-unitary) infinite-
 dimensional  representations.
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