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UID:1ac58b4b56e4240d3d56de690473b9ff
CATEGORIES:Mathematical Physics Seminar
CREATED:20250312T122436
SUMMARY:Webinar: Bernard Derrida - Overlaps in spin glasses and models of evolution
LOCATION:zoom
DESCRIPTION:<p style="text-align: center;"><strong>Bernard Derrida &nbsp;– Collège de F
 rance and ENS Paris</strong></p><p style="text-align: center;"><strong>&nbs
 p;</strong></p><p style="text-align: center;"><strong>Wednesday,&nbsp;March
  26th ,&nbsp;10:45AM DST</strong></p><p style="text-align: center;"><strong
 >&nbsp;</strong></p><p style="text-align: center;"><strong>Overlaps in spin
  glasses and models of evolution</strong></p><p style="text-align: center;"
 ><strong>&nbsp;</strong></p><p>Overlaps play a central role in the theory o
 f spin glasses.&nbsp; In the mean field case their fluctuations obey simple
  universal laws, which are related to sums of i.i.d. random variables with 
 heavy tails. These laws can alternatively be derived by combinatorial metho
 ds using the replica approach.</p><p><br> In&nbsp;models of evolution, the 
 genetic distance between individuals plays the role of the overlaps in spin
  glasses. The statistics of these genetic distances are qualitatively simil
 ar to those of overlaps in spins glasses in the case of neutral asexual evo
 lution&nbsp; (the Kingman coalescent) and become identical to those of spin
  glasses in presence of selection (N-Branching Brownian motion).</p>
DTSTAMP:20260907T005949
DTSTART;TZID=America/New_York:20250326T104500
DTEND;TZID=America/New_York:20250326T120000
SEQUENCE:0
TRANSP:OPAQUE
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