1 Department of Mathematical Sciences, Faculty of Science, Aarhus University, Aarhus University2 Department of Mathematics, Science and Technology, Aarhus University3 Université Henri-Poincaré4 Department of Mathematics, Science and Technology, Aarhus University
By taking an appropriate zero-curvature limit, we obtain the spherical functions on flat symmetric spaces as limits of the Harish-Chandra spherical functions.
J. Math. Pures Appl, 2005, Vol 84, Issue 10, p. 1393-1426