paper

Rankin--Eisenstein classes for modular forms

arXiv:1501.03289 · doi:10.1353/ajm.2020.0002

Abstract

In this paper we make a systematic study of certain motivic cohomology classes ("Rankin-Eisenstein classes") attached to the Rankin--Selberg convolution of two modular forms of weight . The main result is the computation of the -adic syntomic regulators of these classes. As a consequence we prove many cases of the Perrin-Riou conjecture for Rankin--Selberg convolutions of cusp forms.

Updated version with minor corrections. To appear in Amer. J. Math

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