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math.AG2026
Automorphisms of the moduli space of smooth cubic surfaces and its fundamental group
Gregorio Baldi, Benson Farb, Ariyan Javanpeykar +1
Let be the moduli space of smooth complex cubic surfaces and let be its (orbifold) fundamental group. We prove that the ``divisor subgroup'' of $Ï…
math.AG2025
Essential dimension relative to branched covers of degree at most n
Benson Farb, Jesse Wolfson
We prove for various finite groups and integers that there are families of equations with Galois group that cannot be simplified to a one-parameter family even af…
math.AG2024
Moduli spaces and period mappings of genus one fibered K3 surfaces
Benson Farb, Eduard Looijenga
In this paper we construct various moduli spaces of K3 surfaces equipped with a surjective holomorphic map $Ï:M\to\Pb^1$ with generic fiber a complex torus (e.g., an elliptic…