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A coproduct structure on the formal affine Demazure algebra
Published 8 Sep 2012 in math.RA and math.AG | (1209.1676v3)
Abstract: In the present paper we generalize the coproduct structure on nil Hecke rings introduced and studied by Kostant-Kumar to the context of an arbitrary algebraic oriented cohomology theory and its associated formal group law. We then construct an algebraic model of the T-equivariant oriented cohomology of the variety of complete flags.
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