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ON THE K-THEORY STABLE BASES OF THE SPRINGER RESOLUTION

机译:关于血轮分辨率的k理论稳定基础

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Cohomological and K-theoretic stable bases originated from the study of quantum cohomology and quantum K-theory. Restriction formula for cohomological stable bases played an important role in computing the quantum connection of cotangent bundle of partial ?ag varieties. In this paper we study the K-theoretic stable bases of cotangent bundles of ?ag varieties.We describe these bases in terms of the action of the affine Hecke algebra and the twisted group algebra of Kostant- Kumar. Using this algebraic description and the method of root polynomials, we give a restriction formula of the stable bases. We apply it to obtain the restriction formula for partial ?ag varieties. We also build a relation between the stable basis and the Casselman basis in the principal series representations of the Langlands dual group. As an application, we give a closed formula for the transition matrix between Casselman basis and the characteristic functions.
机译:作者:王莹,王莹,王莹,王莹,王莹,王莹,王莹,王莹,王莹 协调稳定基础的限制公式在计算偏射零件的Cotangent束的量子连接方面发挥了重要作用。 在本文中,我们研究了Cotangent捆绑的K-MoreCent稳定的基础。我们在患有Hecke代数的作用和Kostant-Kumar的扭曲组代数方面描述了这些基础。 使用该代数描述和根多项式的方法,我们给出了稳定碱的限制公式。 我们将其应用以获得部分?AG品种的限制公式。 我们还在兰兰双集团的主要系列代表中建立了稳定基础和金带商基础之间的关系。 作为应用程序,我们为Casselman基础和特征函数之间的转换矩阵提供了一个封闭的公式。

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