We study (2, 2) divisors in P2 × P2 giving rise to pairs of nonisomorphic, derived equivalent, and L-equivalent K3 surfaces of degree 2. In particular, we confirm the existence of such fourfolds as predicted recently by Kuznetsov and Shinder.
Equivalence of K3 surfaces from Verra threefolds
Moschetti R.
2020-01-01
Abstract
We study (2, 2) divisors in P2 × P2 giving rise to pairs of nonisomorphic, derived equivalent, and L-equivalent K3 surfaces of degree 2. In particular, we confirm the existence of such fourfolds as predicted recently by Kuznetsov and Shinder.
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