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Cohomology of a flag variety as a Bethe algebra

✍ Scribed by R. Rimányi; V. Schechtman; V. Tarasov; A. Varchenko


Book ID
113065594
Publisher
Springer US
Year
2011
Tongue
English
Weight
258 KB
Volume
45
Category
Article
ISSN
0016-2663

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We study the nonnegative part B B of the flag variety B B of a reductive G 0 algebraic group, as defined by Lusztig. Using positivity properties of the canonical basis it is shown that B B has an algebraic cell decomposition indexed by pairs of G 0 elements w F wЈ of the Weyl group. This result was

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