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Integral homology of PGL2 over elliptic curves

Kevin P. Knudson

math.KTarXiv:math/9801097

Abstract

Let E be an elliptic curve defined via a Weierstrass equation F(x,y)=0 over an infinite field k. Denote by A the coordinate ring of E. In this note we compute the integral homology of PGL2(A). We obtain a rigidity result as a corollary.

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