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SEMINAR: Groups and Combinatorics Seminar, Local transitivity properties of graphs and pairwise transitive designs

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Today's date is Tuesday, December 01, 2020
Groups and Combinatorics Seminar, Local transitivity properties of graphs and pairwise transitive designs Other events...
Abstract:

One of the earliest triumphs in applying the finite simple group classification in algebraic graph theory was the characterization of finite distance transitive graphs. Recent work by Devillers, Giudici, Li and myself focuses on a generalisation of this class of graphs: locally $s$-distance transitive graphs where ordered vertex-pairs, with given first vertex and at a given distance at most $s$, are equivalent under automorphisms. One basic type of example is closely linked with the existence of very symmetrical point-line incidence structures which we call pairwise transitive designs. I will trace these developments and their links.
Speaker(s) Cheryl Praeger (UWA)
Location Weatherburn Lecture Theatre
Contact Irene Pivotto <[email protected]>
Start Fri, 17 May 2013 15:00
End Fri, 17 May 2013 16:00
Submitted by Irene Pivotto <[email protected]>
Last Updated Mon, 13 May 2013 11:02
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