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math.AG2014★ 41 cited
On two rationality conjectures for cubic fourfolds
Nicolas Addington
Motivated by the question of rationality of cubic fourfolds, we show that a cubic X has an associated K3 surface in the sense of Hassett if and only if the variety F of lines on X…
math.AG2014★ 30 cited
The Pfaffian-Grassmannian equivalence revisited
Nicolas Addington, Will Donovan, Ed Segal
We give a new proof of the 'Pfaffian-Grassmannian' derived equivalence between certain pairs of non-birational Calabi-Yau threefolds. Our proof follows the physical constructions o…