Freeness of adjoint linear systems on threefolds with non Gorenstein Q-factorial terminal singularities or some quotient singularities

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We define and calculate the weighted multiplicities of non Gorenstein terminal singularities on threefolds and some quotient singularities. We improve freeness conditions on threefolds.
23 pages

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Algebraic Geometry, 14C20;14J30

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http://salesiana.dossiersoluciones.com/handle/123456789/60793

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0101176
 http://arxiv.org/abs/math/0101176

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arXiv