Abstract
We prove that every locally inner endomorphism of a Chevalley group (or its elementary subgroup) over a local ring with an irreducible root system of rank > 1 >1 (with 1 / 2 1/2 for the systems A 2 , F 4 , B l, C l and with 1 / 3 1/3 for the system G 2 ) is inner, so that all these groups are Cyrillic capital letter sha -rigid.
| Original language | English GB |
|---|---|
| Pages (from-to) | 1143-1161 |
| Number of pages | 19 |
| Journal | Journal of Group Theory |
| Volume | 28 |
| Issue number | 5 |
| DOIs | |
| State | Published - 1 Sep 2025 |
ASJC Scopus subject areas
- Algebra and Number Theory
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