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arXiv math/0411476math.CAmath-phmath.MP
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超几何函数mF_m-1的对称性

Symmetries of the hypergeometric function mF_m-1

Oleg Gleizer

摘要:

本文证明了广义超几何函数mF_m-1有一个单参数局部对称群,它是有理Calogero-Mozer系统流的共轭.利用这种对称性,我们构造了复环面上的费米子场,它具有与广义超几何方程的局部解相似的线性代数性质。基于上述对称性,这些场允许四元数的非平凡作用。利用线性代数结构之间的相似性,在广义超几何方程及其对偶方程的解空间的直和上引入了四元数作用。作为一个副产品,我们构建了一个“好”的基础上的单值运营商的广义超几何方程的启发,多个标志品种的研究与多个轨道的对角作用的一般线性群的Magyar,韦曼和Zelevinsky。作为计算有效性的基础的一个例子,我们给出了证明的存在性的monodromy不变的埃尔米特形式的广义超几何方程的解的空间(在真正的地方指数的情况下)不同的证明的Beukers和Heckman和Haraoka。作为另一个副积,我们证明了柯西恒等式的一个椭圆推广。

英文摘要:

In this paper, we show that the generalized hypergeometric function mF_m-1 has a one parameter group of local symmetries, which is a conjugation of a flow of a rational Calogero-Mozer system. We use the symmetry to construct fermionic fields on a complex torus, which have linear-algebraic properties similar to those of the local solutions of the generalized hypergeometric equation. The fields admit a non-trivial action of the quaternions based on the above symmetry. We use the similarity between the linear-algebraic structures to introduce the quaternionic action on the direct sum of the space of solutions of the generalized hypergeometric equation and its dual. As a side product, we construct a ``good'' basis for the monodromy operators of the generalized hypergeometric equation inspired by the study of multiple flag varieties with finitely many orbits of the diagonal action of the general linear group by Magyar, Weyman, and Zelevinsky. As an example of computational effectiveness of the basis, we give a proof of the existence of the monodromy invariant hermitian form on the space of solutions of the generalized hypergeometric equation (in the case of real local exponents) different from the proofs of Beukers and Heckman and of Haraoka. As another side product, we prove an elliptic generalization of Cauchy identity.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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