Geometry of the tetrahedron space

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Let X^{circ} be the space of all labeled tetrahedra in P^{3}. In [BGS] we constructed a smooth symmetric compactification X-tilde of X^{circ}. In this article we show that the complement X-tilde smallsetminus X^{circ} is a divisor with normal crossings, and we compute the cohomology ring H^*(X-tilde;Q).
Replaced with revised version (minor edits only)

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Algebraic Geometry, 14M99, 14M15

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http://salesiana.dossiersoluciones.com/handle/123456789/64727

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0208119
 http://arxiv.org/abs/math/0208119

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arXiv