49 citations · 223 across the 37 of their papers we have counts for
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math.AG2014★ 13 cited
On descending cohomology geometrically
Jeff Achter, Sebastian Casalaina-Martin, Charles Vial
In this paper, motivated by a problem posed by Barry Mazur, we show that for smooth projective varieties over the rationals, the odd cohomology groups of degree less than or equal…
math.AG2014
The distribution of torsion subschemes of abelian varieties
Jeff Achter
We consider the distribution of p-power group schemes among the torsion of abelian varieties over finite fields of characteristic p, as follows. Fix natural numbers g and n, and le…
math.AG2014★ 2 cited
Irreducibility of Newton strata in GU(1,n-1) Shimura varieties
Jeff Achter
Let L be a quadratic imaginary field, inert at the rational prime p. Fix an integer n at least 3, and let M be the moduli space (in characteristic p) of principally polarized abeli…