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


Date: Tuesday, December 1, 2020 16:15 - 17:15
Speaker: Lajos Molnár (University of Szeged and TU Budapest)
Location: Online via Zoom
Series: Mathematics and CS Seminar
Host: Laszlo Erdös / Daniel Virosztek

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

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