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2014 Fiscal Year Final Research Report

Understanding of the relation between degenerate hypergeometric functions and the matrix coefficients of the discrete series representations of semi simple Lie groups

Research Project

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Project/Area Number 23540005
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Algebra
Research InstitutionYamagata University

Principal Investigator

HAYATA Takahiro  山形大学, 理工学研究科, 准教授 (50312757)

Project Period (FY) 2011-04-28 – 2015-03-31
Keywords半単純リー群 / 超幾何関数 / 行列係数 / 離散系列
Outline of Final Research Achievements

The special unitary group SU(3,1) of index (3,1) which is real rank 1 has so called the large discrete series representation as well as the (anti-)holomorphic ones. The matrix coefficients of the holomorphics are well known. In this study,
we obtained the radial part of the matrix coefficients of the large discrete series at the minimal K types using generalized hypergeometric functions. We also revealed that these are actually a combination of logarithm function and the rational functions with binomial coefficients by way of degeneracy of parameters.

Free Research Field

整数論

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Published: 2016-06-03  

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