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We develop the basic theory of root systems $R$ in a real vector space $X$ which are defined in analogy to the usual finite root systems, except that finiteness is replaced by local finiteness: the intersection of $R$ with every finite-dimensional subspace of $X$ is finite. The main topics are Weyl groups, parabolic subsets and positive systems, weights, and gradings.
- Format: Pocket/Paperback
- ISBN: 9780821835463
- Språk: Engelska
- Antal sidor: 214
- Utgivningsdatum: 2004-09-01
- Förlag: American Mathematical Society