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SUMMARY:Viet Ngyuen Dang (Lyon)
DTSTART:20200625T141500Z
DTEND:20200625T151500Z
DTSTAMP:20260423T005840Z
UID:RTG2491/2
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/RTG2491/2/">
 Rationality of Poincaré series at 0 for surfaces</a>\nby Viet Ngyuen Dang
  (Lyon) as part of Göttingen Colloquium of the Research Traininig Group "
 Fourier Analysis and Spectral Theory"\n\n\nAbstract\nThis is joint work wi
 th Gabriel Rivière. On a surface with negative curvature\, we show that P
 oincaré series counting geodesic arcs orthogonal to certain curves have m
 eromorphic continuation to the complex plane. When these curves are homolo
 gically trivial geodesics\, we show there are no poles at 0 and rationalit
 y of the value at 0 by interpreting this value as a linking number for Leg
 endrian knots.\n
LOCATION:https://researchseminars.org/talk/RTG2491/2/
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