Tautological rings of stable map spaces

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We find a set of generators and relations for the system of extended tautological rings associated to the moduli spaces of stable maps in genus zero, admitting a simple geometrical interpretation. In particular, when the target is $\PP^n$, these give a complete presentation for the cohomology and Chow rings in the cases with/without marked points.
some typos corrected

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Algebraic Geometry, 14D20

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http://salesiana.dossiersoluciones.com/handle/123456789/114320

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0607432
 http://arxiv.org/abs/math/0607432

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arXiv