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The T-equivariant Cohomology of Bott-Samelson varieties by Haerterich, Martin is a scholarly article available to read on EtoBox.

What is The T-equivariant Cohomology of Bott-Samelson varieties about?

We consider the T-equivariant cohomology of Bott-Samelson desingularisations of Schubert varieties in the flag manifold of a connected semi-simple complex algebraic group of adjoint type with maximal torus T. We construct a combinatorially pure (in the sense of T. Braden and R. Macpherson) sheaf on the Bruhat graph of the associated Weyl group such that its global sections give the T-equivariant cohomology of our Bott-Samelson resolution.

Author

Haerterich, Martin

Published

2004

Language

EN