Mathematical Journal of Okayama University 61巻 1号
School of Science and Technology Kwansei Gakuin University
We prove that the radial part of the class one Whittaker function on a split semisimple Lie group can be obtained as an appropriate limit of the Heckman-Opdam hypergeometric function.
Mathematics Subject Classification. Primary 22E30, 33C67; Secondary 43A90.