N-point spherical functions and asymptotic boundary KZB equations
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DOI: 10.1007/s00222-022-01102-3
Abstract: Let $G$ be a split real connected Lie group with finite center. In the first part of the paper we define and study formal elementary spherical functions. They are formal power series analogues of elementary… read more here.
Keywords: elementary spherical; point spherical; formal elementary; spherical functions ... See more keywords
A Laplace-type representation for some generalized spherical functions of type $BC$
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DOI: 10.4064/cm7350-1-2018
Abstract: In [M. R\"osler and M. Voit. Integral Representation and Uniform Limits for Some Heckman-Opdam Hypergeometric Functions of type BC, Transactions of the American Mathematical Society, Vol. 368, No. 8, 6005-6032, 2016.], R\"osler and Voit give… read more here.
Keywords: representation; laplace type; generalized spherical; spherical functions ... See more keywords