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SEMINAR: Groups and Combinatorics Seminar: Graphs and general preservers of zero products

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Groups and Combinatorics Seminar: Graphs and general preservers of zero products Other events...
Groups and Combinatorics Seminar

Bojan Kuzma (University of Primorska, Slovenia)

will speak on

Graphs and general preservers of zero products

at 1pm on Tuesday 27th of November in MLR2

Abstract: We survey some results in preserver problems where graphs were used as the main tool. In particular, the classification of maps which preserve Jordan orthogonality (AB+BA=0) reduces to the fact that a certain graph is a core and has chromatic number 4. We also give a classification of certain matrices (rank-ones, semisimple, non-derogatory) in terms of a commuting graph.

All welcome.
Speaker(s) Bojan Kuzma
Location Maths Lecture Room 2
Contact Michael Giudici <[email protected]>
Start Tue, 27 Nov 2012 13:00
End Tue, 27 Nov 2012 13:45
Submitted by Michael Giudici <[email protected]>
Last Updated Thu, 22 Nov 2012 10:24
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