Skip to content

Symplectic modular symbols

Paul E. Gunnells

math.NTarXiv:math/9809059

Abstract

Let K be a number field with euclidean ring of integers O. Let G be a finite-index torsion-free subgroup of Sp(2n, O). We exhibit a finite, geometrically defined spanning set of the top dimensional integral cohomology of G by generalizing the modular symbol algorithm of Ash and Rudolph.

Create a lesson