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

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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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