Classification of weighted graphs up to blowing-up and blowing-down

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We classify weighted forests up to the blowing-up and blowing-down operations which are relevant for the study of algebraic surfaces.

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Algebraic Geometry, 14J (primary); 14E, 05C (secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/67344

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0305029
 http://arxiv.org/abs/math/0305029

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arXiv