paper

On the Iwasawa invariants of elliptic curves

arXiv:math/9906215 · doi:10.1007/s002220000080

Abstract

Let p be an odd prime. Suppose that E is a modular elliptic curve/Q with good ordinary reduction at p. Let Q_{oo} denote the cyclotomic Z_p-extension of Q. It is conjectured that Sel_E(Q_{oo}) is a cotorsion Lambda-module and that its characteristic ideal is related to the p-adic L-function associated to E. Under certain hypotheses we prove that the validity of these conjectures is preserved by congruences between the Fourier expansions of the associated modular forms.

Abstract added in migration (taken from Greenberg's web site)

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