ON THE VANISHING OF COHOMOLOGIES OF <i>p</i>-ADIC GALOIS REPRESENTATIONS ASSOCIATED WITH ELLIPTIC CURVES

Abstract

Let $K$ be a $p$-adic field and $E$ an elliptic curve over $K$ with potential good reduction. For some large Galois extensions $L$ of $K$ containing all $p$-power roots of unity, we show the vanishing of certain Galois cohomology groups of $L$ with values in the $p$-adic representation associated with $E$. This generalizes some results of Coates, Sujatha and Wintenberger.