On the nonsymplectic involutions of the Hilbert square of a K3 surface

Samuel Boissiere, Andrea Cattaneo, Dimitri Markushevich +1

We investigate the interplay between the moduli spaces of ample <2>-polarized IHS manifolds of type K3^[2] and of IHS manifolds of type K3^[2] with a nonsymplectic involution with…