Cores and adjacency preservers

Datum / Date: 7.10.13
Čas / Time: 10:00-11:00
Predavalnica / Location: FAMNIT-SEMIN (Kettejeva 1, Koper)
Predavatelj / Lecturer: Marko Orel
Naslov / Title: Cores and adjacency preservers
Povzetek / Abstract:

A graph is a core if any its endomorphism is an automorphism. In the talk I will describe some cores that are formed by particular sets of matrices. A relation with adjacency preservers will be presented. If the time will permit, few techniques that involve spectral graph theory and a connection with special relativity will be shown.

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