| Autor: |
Broto, Carles |
| Další autoři: |
|
| Jazyk: |
angličtina |
| Informace o vydání: |
Providence : American Mathematical Society, 2019. |
| Předmět: |
|
| Druh dokumentu: |
Online; Non-fiction; Electronic document |
| Abstrakt: |
Summary: For a finite group G of Lie type and a prime p, the authors compare the automorphism groups of the fusion and linking systems of G at p with the automorphism group of G itself. When p is the defining characteristic of G, they are all isomorphic, with a very short list of exceptions. When p is different from the defining characteristic, the situation is much more complex but can always be reduced to a case where the natural map from \mathrm{Out}(G) to outer automorphisms of the fusion or linking system is split surjective. This work is motivated in part by questions involving extending the local structure of a group by a group of automorphisms, and in part by wanting to describe self homotopy equivalences of BG^\wedge _p in terms of \mathrm{Out}(G). |
| Databáze: |
Vybrané kolekce e-knih |
| Externí odkaz: |
|
