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SUMMARY:Gregory Schehr (Université Paris-Saclay)
DTSTART:20201113T143000Z
DTEND:20201113T153000Z
DTSTAMP:20260423T004132Z
UID:MEGA/7
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/MEGA/7/">Exa
 ct persistence exponent for the 2d-diffusion equation: from random polynom
 ials to truncated random matrices.</a>\nby Gregory Schehr (Université Par
 is-Saclay) as part of Séminaire MEGA\n\n\nAbstract\nAfter an introduction
  to persistence probabilities and related first-passage time in statistica
 l physics\, I will discuss a specific example: the 2d diffusion equation w
 ith random initial conditions. The persistence probability in this problem
  turns out to be related to the probability of no real root for Kac random
  polynomials. I will show that this probability can be computed by using y
 et another connection\, namely to the truncated orthogonal ensemble of ran
 dom matrices.\n
LOCATION:https://researchseminars.org/talk/MEGA/7/
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