An n-fold cup-product Bockstein on products of Enriques surfaces produces non-algebraic 2-torsion integral Hodge classes in dimension 2n under the Brauer-separation hypothesis.
Inventiones Mathematicae , volume =
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From a finite-node schober datum the paper constructs the functorial incidence package and quiver assembly, proving it is canonically determined and invariant under equivalences.
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From Diaz's Enriques Product to an $n$-Fold Cup-Product Bockstein Family of Integral Hodge Counterexamples
An n-fold cup-product Bockstein on products of Enriques surfaces produces non-algebraic 2-torsion integral Hodge classes in dimension 2n under the Brauer-separation hypothesis.
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From Finite-Node Conifold Geometry to BPS Structures II: Functorial Incidence and Quiver Assembly
From a finite-node schober datum the paper constructs the functorial incidence package and quiver assembly, proving it is canonically determined and invariant under equivalences.