## Uniform Domination for Simple GroupsAdd to your list(s) Download to your calendar using vCal - Scott Harper
- Wednesday 30 May 2018, 16:00-17:00
- Watson Building, Lecture Room A.
If you have a question about this talk, please contact Chris Parker. It is well known that every finite simple group can be generated by just two elements. In fact, by a theorem of Guralnick and Kantor, there is a conjugacy class C such that for each non-identity element x there exists an element y in C such that x and y generate the entire group. Motivated by this, we introduce a new invariant for finite groups: the uniform domination number. This is the minimal size of a subset S of conjugate elements such that for each non-identity element x there exists an element s in S such that x and s generate the group. This invariant arises naturally in the study of generating graphs. In this talk, I will present recent joint work with Tim Burness, which establishes best possible results on the uniform domination number for finite simple groups, using a mix of probabilistic and computational methods together with recent results on the base sizes of primitive permutation groups. This talk is part of the Algebra Seminar series. ## This talk is included in these lists:Note that ex-directory lists are not shown. |
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