David Degen
Published 2020-11-26Version 1
We show that the moduli space of Ricci flat metrics of unit volume (including orbifold metrics) on a K3 surface is simply connected and that it has the same rational cohomology as the automorphism group of the K3 lattice $(-E_8)^{\oplus 2}\oplus U^{\oplus 3}$.
Canonical Metrics on the Moduli Space of Riemann Surfaces II
Space of Ricci flows (I)
A construction of $G_2$-manifolds from K3 surfaces with a $\mathbb{Z}^2_2$-action
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