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Boundedness theorems for fibered varieties with trivial canonical bundle

SEMINARS: HARVARD-MIT ALGEBRAIC GEOMETRY

When: October 7, 2025
3:00 pm - 4:00 pm
Where: Science Center 507
Address: 1 Oxford Street, Cambridge, MA 02138, United States
Speaker: Roberto Svaldi (Università degli Studi di Milano)

I will explain ideas and techniques behind recent new results showing that several classes of fibered varieties with trivial canonical bundle are bounded, that is, they are parametrised by finitely many families of deformations. Namely, I will show how abelian or K3 fibered Calabi—Yau varieties are bounded, up to simple birational equivalences, in the algebraic category, and how the same results holds in the analytic category for Lagrangian holomorphic symplectic varieties. This is joint work with Engel, Filipazzi, Greer, Mauri.