Automorphisms of the moduli space of smooth cubic surfaces and its fundamental group

Gregorio Baldi, Benson Farb, Ariyan Javanpeykar +1

Let $\mathcal{C}$ be the moduli space of smooth complex cubic surfaces and let $\ddot{I}{€}_1(\mathcal{C})$ be its (orbifold) fundamental group. We prove that the ``divisor subgroup'' of $Ï…