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Working paper

Pipe dreams for Schubert polynomials of the classical groups

arxiv.org. math. Cornell University, 2020. No. 2009.14120.
Smirnov E., Тутубалина А. А.
Schubert polynomials for the classical groups were defined by S.Billey and M.Haiman in 1995; they are polynomial representatives of Schubert classes in a full flag variety of a classical group. We provide a combinatorial description for these polynomials, as well as their double versions, by introducing analogues of pipe dreams, or RC-graphs, for the Weyl groups of the classical types.