Siegel der Universität Augsburg

Universität Augsburg
Institut für Mathematik

 Siegel der Universität Augsburg

 

Oberseminar zur Algebra und Zahlentheorie

 

Professor Dr. Claus Hertling
Universität Mannheim
 
spricht am
 
Dienstag, 8. Dezember 2020
 
um
 
14:15 Uhr
 
im
 
per Zoom
 
über das Thema:
 

»Conjectures on spectral numbers for upper triangular matrices and isolated hypersurface singularities.«

Abstract:
Certain upper triangular matrices S with integer entries, 1's on the diagonal, and eigenvalues of S^{-1}S^t of absolute value 1, arise from Seifert forms and distinguished bases of holomorphic functions with isolated singularities. Which matrices arise? Some idea how to distinguish these matrices builds on an idea of Cecotti and Vafa how to associate spectral numbers to such matrices. I will report on partial results for both ideas.

 

Hierzu ergeht herzliche Einladung.
Prof. Dr. Maxim Smirnov


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