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SUMMARY:Ivan Beschastnyi (Universidade de Aveiro)
DTSTART:20210625T140000Z
DTEND:20210625T150000Z
DTSTAMP:20260423T021312Z
UID:SRS/16
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SRS/16/">Lie
  groupoids and the minimal domain of the Laplace operator on almost-Rieman
 nian manifolds</a>\nby Ivan Beschastnyi (Universidade de Aveiro) as part o
 f Sub-Riemannian Seminars\n\n\nAbstract\nLie groupoids are objects that ar
 e used in various branches of mathematics as desingularisations of singula
 r objects. They come with an array of useful analytic tools\, such as an a
 ssociated pseudo-differential calculus\, convolution and C*-algebras. One 
 can use those tools to answer purely analytic questions about compatible d
 ifferential operators. In the talk I will explain how one can use them to 
 find minimal domains of singular differential operators and\, in particula
 r\, how to find minimal domains of perturbations of the Laplace-Beltrami o
 perator on 2D almost-Riemannian manifolds even in the presence of the tang
 ency points.\n
LOCATION:https://researchseminars.org/talk/SRS/16/
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