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math.NT2017
Euler systems for Galois deformations and the pseudo-isomorphism class of the dual of fine Selmer groups
Tatsuya Ohshita
In this article, we study the pseudo-isomorphism class of the dual fine Selmer group attached to a -adic Galois deformation whose deformation ring is isomorphic to the r…
math.NT2017
On higher Fitting ideals of Iwasawa modules of ideal class groups over imaginary quadratic fields and Euler systems of elliptic units II
Tatsuya Ohshita
In our previous work, by using Kolyvagin derivatives of elliptic units, we constructed ideals C_i of the Iwasawa algebra, and proved that the ideals C_i become "upper bounds" of th…