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Symmetries of structures on positive definite cones in $C^*$-algebras

Date: Thursday, March 12, 2020 17:00 - 19:00
Speaker: Lajos Molnár (University of Szeged, Hungary)
Location: Heinzel Seminar Room / Office Bldg West (I21.EG.101)
Series: Mathematics and CS Seminar
Host: Laszlo Erdös

Abstract:

In this talk we give a survey of our recent works on different 'symmetries' of structures (geometric or algebraic) on positive definite cones in $C^*$-algebras. Among others, we present precise descriptions of Jordan triple isomorphisms, various mean preservers, surjective isometries, preservers of norms of different means and different types of relative entropy related operations.
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