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SUMMARY:Spectral inequalities\, sampling sets\, and quantum graphs - Miche
 la Egidi (University of Rostock)
DTSTART:20260203T140000Z
DTEND:20260203T144500Z
UID:TALK239611@talks.cam.ac.uk
DESCRIPTION:Spectral inequalities\, that is\, bounding the L^2-norm of (a 
 class of) functions with respect to its L^2-norm on a restriction to small
 er set\, is a key assignment in control theory. In this talk we will prese
 nt such estimates for (linear combinations of) eigenfunctions of one-dimen
 sional vector-valued self-adjoint operators where the restricted set satis
 fies a certain geometric condition. As an application\, we will discuss th
 e setting of the magnetic Laplacian on metric graphs. Joint work with Deli
 o Mugnolo (FerUni Hagen) and Albrecht Seelmann (Technische Universit&auml\
 ;t Dortmund)
LOCATION:Seminar Room 1\, Newton Institute
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