Gröbner geometry of Schubert polynomials
作者： Allen Knutson , Ezra Miller
DOI: 10.4007/ANNALS.2005.161.1245
关键词:
摘要: Given a permutation w ?? Sn, we consider determinantal ideal Iw whose generators are certain minors in the generic n ?~ matrix (filled with independent variables). Using ?emultidegrees?f as simple algebraic substitutes for torus-equivariant cohomology classes on vector spaces, our main theorems describe, each Iw.
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