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Research Seminar: "Grid Diagrams and Schubert varieties" March 12, 2010
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Location: MSRI: Simons Auditorium
Speaker(s) Christian Kassel
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Recently, Manulescu, Ozsváth, Sarkar, Szábo, D. Thurston gave a combinatorial construction of the Heegaard-Floer homology of links based on the presentation of links by "grid diagrams." I will show how grid diagrams can be used to solve a problem in a different area, namely the determination of the singular locus of a Schubert variety. My talk is based on joint work with Alain Lascoux and Christophe Reutenauer (J. of Algebra, 2003).

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