On a Quantum Version of Pieri’s Formula
On a Quantum Version of Pieri’s Formula
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关于皮耶里公式的量子版本
DOI:
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发表时间:
1999
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影响因子:
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通讯作者:
A. Postnikov
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作者:
A. Postnikov
We give an algebro-combinatorial proof of a general ver sion of Pieri's formula following the approach developed by Fomin and Kirillov in the paper "Quadratic algebras, Dunkl elements, and Schu bert calculus." We prove several conjectures posed in their paper. As a consequence, a new proof of classical Pieri's formula for cohomol ogy of complex flag manifolds, and that of its analogue for quantum cohomology is obtained in this paper.