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SUMMARY:Spectrum of the p−Laplacian on general open sets [Oberseminar An
 alysis]
DTSTART:20261112T131500Z
DTEND:20261112T151500Z
DTSTAMP:20261001T025300Z
UID:indico-event-1612@math-events.uni-bonn.de
CONTACT:jschroe2@uni-bonn.de
DESCRIPTION:We present a variational definition of the essential spectrum 
 suitable for nonlinear operators such as the Dirichlet p-Laplacian. We th
 en provide a geometric characterisation of the bottom of the essential spe
 ctrum by extending Persson's theorem to this framework. Finally\, we show
  that the Ljusternik-Schnirelmann minmax levels of the constrained p-Diric
 hlet integral are attained whenever one of theselevels is below Persson's 
 threshold. This is based on joint work with Lorenzo Brasco\, Giovanni Fran
 zina\, and Francesca Prinari. \n\nhttps://math-events.uni-bonn.de/event/1
 612/
LOCATION:Endenicher Allee 60/1-016 - Lipschitzsaal (Mathezentrum)
URL:https://math-events.uni-bonn.de/event/1612/
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