Residues, Grothendieck Polynomials, and K-Theoretic Thom Polynomials
Residues, Grothendieck Polynomials, and K-Theoretic Thom Polynomials
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留数、Grothendieck 多项式和 K 理论 Thom 多项式
DOI:
10.1093/imrn/rnac345
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发表时间:
2022
影响因子:
1
通讯作者:
Szenes, András
中科院分区:
文献类型:
--
作者:
Rimányi, Richárd;Szenes, András
Grothendieck polynomials were introduced by Lascoux and Schützenberger and play an important role in K-theoretic Schubert calculus. In this paper, we give a new definition of double stable Grothendieck polynomials based on an iterated residue operation. We illustrate the power of our definition by calculating the Grothendieck expansion of K-theoretic Thom polynomials ofsingularities. We present this expansion in two versions: one displays its stabilization property, while the other displays its expected finiteness property.
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