2025/08/06 by Barbara Fantechi, Fantechi, Barbara, Rosa M. Miró-Roig +1 · 1 voice
#math.AG
paper · pdf · doi:10.48550/arxiv.2508.04343
We give criteria for the existence of geometric smoothings of a proper lci scheme or a DM stack X as well as for a polarized lci scheme (X,L), without assuming that X is reduced. As applications, we give criteria for the smoothability of polarized K3 surfaces and of stable varieties.