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Regular version of the site

Book chapter

Divided difference operators on convex polytopes

P. 5-7.

I describe a convex geometric procedure for building generalized Newton polytopes of Schubert varieties. One of the goals is to extend to arbitrary reductive groups our joint work with Evgeny Smirnov and Vladlen Timorin on Schubert calculus (in type A) in terms of Gelfand-Zetlin polytopes.

In book

Iss. 9. Oberwolfach: European Mathematical Society Publishing house, 2012.