Enriques manifolds
arXiv:1001.4912
Abstract
Using the theory of hyperkahler manifolds, we generalize the notion of Enriques surfaces to higher dimensions and construct several examples using group actions on Hilbert schemes of points or moduli spaces of stable sheaves.
18 pages, statements in Theorems 6.4 and 6.5 corrected, to appear in J. Reine Angew. Math