The Spread of Almost Simple Classical Groups

The Spread of Almost Simple Classical Groups
Author :
Publisher : Springer Nature
Total Pages : 154
Release :
ISBN-10 : 9783030741006
ISBN-13 : 3030741001
Rating : 4/5 (001 Downloads)

Book Synopsis The Spread of Almost Simple Classical Groups by : Scott Harper

Download or read book The Spread of Almost Simple Classical Groups written by Scott Harper and published by Springer Nature. This book was released on 2021-05-25 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph studies generating sets of almost simple classical groups, by bounding the spread of these groups. Guralnick and Kantor resolved a 1962 question of Steinberg by proving that in a finite simple group, every nontrivial element belongs to a generating pair. Groups with this property are said to be 3/2-generated. Breuer, Guralnick and Kantor conjectured that a finite group is 3/2-generated if and only if every proper quotient is cyclic. We prove a strong version of this conjecture for almost simple classical groups, by bounding the spread of these groups. This involves analysing the automorphisms, fixed point ratios and subgroup structure of almost simple classical groups, so the first half of this monograph is dedicated to these general topics. In particular, we give a general exposition of Shintani descent. This monograph will interest researchers in group generation, but the opening chapters also serve as a general introduction to the almost simple classical groups.


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