Non-abelian congruences between special values of L-functions of elliptic curves; the CM case

2010/06/06 by Thanasis Bouganis, Bouganis, Thanasis
Mathematics · #FOS: Mathematics #Number Theory (math.NT) #math.NT

paper · pdf · doi:10.48550/arxiv.1006.1108

32 pages

arxiv created 2010/06/06 · arxiv updated 2010/06/08

Abstract

In this work we prove congruences between special values of elliptic curves with CM that seem to play a central role in the analytic side of the non-commutative Iwasawa theory. These congruences are the analogue for elliptic curves with CM of those proved by Kato, Ritter and Weiss for the Tate motive. The proof is based on the fact that the critical values of elliptic curves with CM, or what amounts to the same, the critical values of Grössencharacters, can be expressed as values of Hilbert-Eisenstein series at CM points. We believe that our strategy can be generalized to provide congruences for a large class of L-values.

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