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In this paper we study some remarkable semisimple elements of an (extended) Chevalley group that are diagonalizable over the ground field - the 'weight elements'. In particular, we calculate the Bruhat decomposition of microweight elements. Results of the present paper are crucial for the description of overgroups of split maximal tori in Chevalley groups.
Original language | English |
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Pages (from-to) | 387-430 |
Number of pages | 44 |
Journal | St. Petersburg Mathematical Journal |
Volume | 24 |
Issue number | 3 |
DOIs | |
State | Published - 16 May 2013 |
ID: 5416972