On the Definition of Irreducible Holomorphic Symplectic Manifolds and Their Singular Analogs
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Abstract In the definition of irreducible holomorphic symplectic manifolds the condition of being simply connected can be replaced by vanishing irregularity. We discuss holomorphic symplectic, finite quotients of complex tori with ${\operatorname{h}}^0(X,\,\Omega ^{[2]}_X)=1$ and their Lagrangian fibrations. Neither $X$ nor the base can be smooth unless $X$ is a $2$-torus.
1990 ◽
Vol 42
(4)
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pp. 731-746
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1998 ◽
Vol 53
(5)
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pp. 1082-1083
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2009 ◽
Vol 147
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pp. 255-255
2018 ◽
Vol 12
(01)
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pp. 209-265
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2000 ◽
Vol 41
(2)
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pp. 204-217
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