Douglas Ulmer

activity

20012026

most citedGeometric non-vanishing

15 citations · 57 across the 25 of their papers we have counts for

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Showing 2020Show all

2 papers · 1 filter

math.NT2020★ 1 cited

On $B T_{1}$ group schemes and Fermat Jacobians

Rachel Pries, Douglas Ulmer

Let $p$ be a prime number and let $k$ be an algebraically closed field of characteristic $p$ . A $B T_{1}$ group scheme over $k$ is a finite commutative group scheme which arises as th…

math.AG2020

Bounding tangencies of sections on elliptic surfaces

Douglas Ulmer, Giancarlo Urzúa

Given an elliptic surface $E \to C$ over a field $k$ of characteristic zero equipped with zero section $O$ and another section $P$ of infinite order, we give a si…

On BT1​ group schemes and Fermat Jacobians

Bounding tangencies of sections on elliptic surfaces

On $B T_{1}$ group schemes and Fermat Jacobians