Tuesday, May 25, 2021 - 10:15 in ZOOM - Video Conference
Spectra on group and graphs: a short survey
A talk in the Geometric Analysis Seminar series by
Rostislav Grigorchuk from TAMU
| Abstract: |
In my talk I will touch on such topics as shape of the spectrum of Cayley and Schreier graphs of finitely generated groups, type of spectral measures, the question of A. Valette "Can one hear the shape of a group", and the relation to the random Schroedinger operator.
Based on numerous results with coauthors: L. Bartholdi, A. Zuk, Z. Sunic, D. Lenz, T. Nagnibeda, A. Perez, B. Simanek, A. Dudko and others.
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