1. Department of Mathematics, University of Toronto, Toronto, Ontario, M5S2E4, Canada 2. Department of Mathematics, University of Wisconsin Madison, Van Vleck Hall, Madison, WI, 53706, USA
Abstract:
This paper gives explicit formulas for the Fourier expansion of general Eisenstein series and local Whittaker functions over SL2. They are used to compute both the value and derivatives of these functions at critical points.