64 citations · 233 across the 33 of their papers we have counts for
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math.AG2022★ 2 cited
Smooth subvarieties of Jacobians
Olivier Benoist, Olivier Debarre
We give new examples of algebraic integral cohomology classes on smooth projective complex varieties that are not integral linear combinations of classes of smooth subvarieties. So…
math.AG2022★ 2 cited
Computing Riemann-Roch polynomials and classifying hyper-Kähler fourfolds
Olivier Debarre, Daniel Huybrechts, Emanuele Macrì +1
We prove that a hyper-Kähler fourfold satisfying a mild topological assumption is of K3 deformation type. This proves in particular a conjecture of O'Grady stating that hyp…