Spherical Functions for Finite Upper Half Planes with Characteristic 2

Twisted Spherical Functions on the Finit

Twisted Spherical Functions on the Finite Poincaré Upper Half-Plane

✍ Jorge Soto-Andrade; Jorge Vargas 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 180 KB

In this note we compute explicit formulae for the twisted spherical functions for the finite analogue of (the double cover of) the classical Poincaré upper half-plane, in any characteristic, and we obtain a uniform description for them resembling the one given by [Curtis (1993, J. Algebra 157, 517-5