Ben Forrás

activity

20242026

most citedOn the cohomology of plus/minus Selmer groups of supersingular elliptic curves in weakly ramified base fields

1 citations · 1 across the 5 of their papers we have counts for

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math.RA2026

Total rings of quotients of higher dimensional Iwasawa algebras

Ben Forrás

Let $G = H ⋊ Γ$ be a semidirect product of a finite group $H$ with $Γ = Z_{p}^{d}$ , the direct product of finitely many copies of the additive group of the $p$ -adic in…

math.NT2026

Iwasawa theory of CM elliptic curves at potentially supersingular primes

Ben Forrás, Antonio Lei

We develop a plus and minus Iwasawa theory for CM elliptic curves with potentially supersingular reduction at a prime $p \geq 5$ . We construct local points that satisfy suitable "jump…

math.NT2026

Class Number Relations in Abelian Extensions of Global Fields

Saad El Boukhari, Ben Forrás

Consider a finite abelian extension $K / k$ of global fields with Galois group $G$ . We study the rank-one component of the generalized Stickelberger module associated with $K / k$ and…

math.RA2026

On the Wedderburn decomposition of the total ring of quotients of certain Iwasawa algebras II

Ben Forrás

Let $G ≃ H ⋊ Γ$ be the semidirect product of a finite group $H$ and $Γ ≃ Z_{p}$ . Let $F / Q_{p}$ be a finite extension with ring of integers $\mathca…