Subgroups of maximal rank of reductive groups

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Author(s): Simon Pepin Lehalleur

Language: English

Introduction
1. Lie algebras of subgroups of maximal rank
2. Root systems and p-closed subsets
3. Construction of subgroups of maximal rank from Lie algebras
4. Reduction to semi-simple absolutely simple simply connected groups
5. Very special isogenies in characteristics 2 and 3 and exceptional p-closed sets
6. The Borel-De Siebenthal algorithm in positive characteristic
Appendix A. Extended Dynkin diagrams
References