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SUMMARY:Corentin Fierobe\, "Can One Hear the Shape of a Billiard Table ?"
DTSTART:20261105T093000Z
DTEND:20261105T113000Z
DTSTAMP:20261104T061700Z
UID:indico-event-17563@indico.math.cnrs.fr
DESCRIPTION:Billiards provide a model for the motion of a light ray reflec
 ting off the boundary of a cavity\, with the geometry of the table determi
 ning the dynamics. Inspired by questions of spectral geometry\, most famou
 sly Kac’s “Can one hear the shape of a drum?”\, and by rigidity prob
 lems for geodesic flows\, the spectral rigidity problem for billiards asks
  whether a table’s shape can be recovered from its length spectrum\, the
  collection of lengths of its periodic billiard trajectories. In this talk
 \, I will introduce the problem and present recent results on spectral rig
 idity for billiard tables\n\nhttps://indico.math.cnrs.fr/event/17563/
URL:https://indico.math.cnrs.fr/event/17563/
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