Eisenstein ideal and reducible -adic Representations Unramified Outside a Finite Number of Primes.
Miriam Ciavarella (2006)
Bollettino dell'Unione Matematica Italiana
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The object of this note is to study certain 2-dimensional -adic representations of ; fixed distinct primes, we will consider representations , given by the matrix which are unramified outside and the residue characteristic of , which are a product of representations over finite extensions of the ring of Witt vectors of the residue field and which are reducible modulo . In analogy with the theory of the modular representations, we will introduce the analogue of Mazur's Hecke...