Brauer tree
In
defect group of a finite group. In fact, the trees encode the group algebra up to Morita equivalence
. Such algebras coming from Brauer trees are called Brauer tree algebras.
Feit (1984) described the possibilities for Brauer trees.
References
- MR 0730710
- Hiss, G.; Lux, K. (1989), Brauer trees of sporadic groups, Oxford Science Publications, The Clarendon Press Oxford University Press, MR 1033265
- Zbl 0593.20003
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