Formality of the complements of subspace arrangements with geometric lattices

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We show that, for an arrangement of subspaces in a complex vector space with geometric intersection lattice, the complement of the arrangement is formal. We prove that the Morgan rational model for such an arrangement complement is formal as a differential graded algebra.
10 pages, 1 figure

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Algebraic Topology, Combinatorics, primary 52C35; secondary 05E25, 55P62

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http://salesiana.dossiersoluciones.com/handle/123456789/74914

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0504321
 http://arxiv.org/abs/math/0504321

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arXiv