2 papers
math.AG2024
Prym varieties and cubic threefolds over
Tudor Ciurca
We develop a theory of Prym varieties and cubic threefolds over fields of characteristic . As an application, we prove that smooth cubic threefolds are non-rational over an arbi…
math.AG2024
Intermediate Jacobians and linearizability
Tudor Ciurca, Sho Tanimoto, Yuri Tschinkel
We develop an equivariant version of the formalism of intermediate Jacobian torsor obstructions, and apply it to conic bundles over rational surfaces, quadric surface bundles over…