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alg-geom1997
Effective base point freeness on a normal surface
Takeshi Kawachi
This treats the base-point-freeness of the adjoint bundles on normal surfaces with a boundary. This is an extension of the non-relative version of the theorem of Ein-Lazarsfeld-Mas…
alg-geom1996★ 1 cited
Higher dimensional examples of manifolds whose adjoint bundles are not spanned
Takeshi Kawachi
Let be an -dimensional polarized variety. Fujita's conjecture says that if then the adjoint bundle is spanned and is very ample. There are…
alg-geom1996★ 1 cited
On freeness theorem of the adjoint bundle on a normal surface
Takeshi Kawachi
We extend Reider's freeness criterion to normal surfaces of characteristic 0. Let Y be a normal surface. Let D be a nef divisor on Y such that K_Y+D is a Cartier divisor. Let x be…