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SUMMARY:Some stationary fields and their spectral measure on hyperbolic pl
 ane - Serge Cohen (Toulouse)
DTSTART:20081111T140000Z
DTEND:20081111T150000Z
UID:TALK15109@talks.cam.ac.uk
CONTACT:Berestycki
DESCRIPTION:Brownian field on hyperbolic plane is a Gaussian field with st
 ationary increments\, and a Kintchine's theorem associates with the varian
 ce of the increments a spectral measure. In this talk a formula for this s
 pectral measure will be introduced. I will also consider some sationary fi
 elds associated with spherical functions. I will make comparisons with the
  Euclidean case and recall basic notions of hyperbolic geometry\, to make 
 the talk as self-contained as possible. 
LOCATION:MR12\, CMS\, Wilberforce Road\, Cambridge\, CB3 0WB
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