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UID:20260712T023321EDT-4410oNVEoW@132.216.98.100
DTSTAMP:20260712T063321Z
DESCRIPTION:Title: Nodal sets of eigenfunctions of sub-Laplacians\n\nAbstra
 ct: Nodal sets of eigenfunctions of elliptic operators on compact manifold
 s have been studied extensively over the past decades. In a recent work\, 
 we initiated the study of nodal sets of eigenfunctions of hypoelliptic ope
 rators on compact manifolds\, focusing on sub-Laplacians (e.g. on compact 
 quotients of the Heisenberg group). Fixing an arbitrary sub-Laplacian\, so
 me of our results hold for any eigenfunction\, and others hold when averag
 ing over random linear combinations of eigenfunctions. Our results show th
 at nodal sets behave in an anisotropic way which can be analyzed with stan
 dard tools from sub-Riemannian geometry such as sub-Riemannian dilations\,
  nilpotent approximation and desingularization at singular points. This is
  a joint work with S. Eswarathasan.\n\nRoom: 4336-4384 Pavillon André-Aise
 nstadt\, Université de Montréal\n\nor\n\nZoom link: https://umontreal.zoom
 .us/j/83118539851?pwd=bk5IOXBLNDRNSnR4dEcrSUFJVWhPZz09\n\nMeeting ID: 831 
 1853 9851\n\nPasscode: 215516\n
DTSTART:20230113T193000Z
DTEND:20230113T203000Z
SUMMARY:Cyril Letrouit (MIT)
URL:https://www.mcgill.ca/mathstat/channels/event/cyril-letrouit-mit-344796
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