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SEMINAR: Groups and Combinatorics Seminar: Hassan Alavi, 4pm Aug 23 in Weatherburn LT

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Today's date is Friday, August 07, 2020
Groups and Combinatorics Seminar: Hassan Alavi, 4pm Aug 23 in Weatherburn LT Other events...
Speaker: Hassan Alavi (Buali Sina University, Iran)

Title: On transitive automorphism groups of 2-designs

Time and place: 4pm Friday 23 Aug 2019, Weatherburn LT

Abstract: A 2-design with parameters (v,k,lambda) is an incidence structure consisting of a set of v points and a set of b blocks with the incidence relation such that every block is incident with exactly k points, and every pair of points is incident with exactly lambda; blocks. An automorphism group of a 2-design is a group of permutations on points of the design which maps blocks to blocks and preserves the incidence and non-incidence. The main part of this talk is devoted to giving a survey on recent study of 2-designs admitting a flag-transitive automorphism group. I also present some recent results on block-transitive automorphism groups of 2-designs.
Contact Stephen Glasby <[email protected]>
Start Fri, 23 Aug 2019 16:00
End Fri, 23 Aug 2019 17:00
Submitted by Stephen Glasby <[email protected]>
Last Updated Tue, 20 Aug 2019 16:13
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