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Showing 1 to 2 of 2 for “"Bott-Samelson Variety"”.
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The moment graph for Bott-Samelson varieties and applications to quantum cohomology
We give a description of the moment graph for Bott-Samelson varieties in arbitrary Lie type. We use this, along with curve neighborhoods and explicit moduli space computations, to compute a presentation for the small quantum cohomology ring of a particular Bott-Samelson variety in Type A.
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Cotangent Schubert Calculus in Grassmannians
… the pushforward of the projection map from the Bott-Samelson (Kempf-Laksov) desingularization to the Grassmannian. We find that the Segre-MacPherson classes are stable under pullbacks of maps embedding a Grassmannian into a bigger Grassmannian. We also express these formulas using certain …