Algebraic construction of Witten's top Chern class

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We give a construction of Witten's "top Chern class" on the compactified moduli space of curves with higher spin structures and show that it satisfies most of the axioms proposed in math.AG/9905034.
23 pages, AMSLatex

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Algebraic Geometry

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http://salesiana.dossiersoluciones.com/handle/123456789/60286

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0011032
 http://arxiv.org/abs/math/0011032

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arXiv