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De Concini-Procesi models of arrangements and symmetric group actions

Produktform: Buch / Einband - flex.(Paperback)

In this thesis we deal with the models of subspace arrangements introduced by De Concini and Procesi. In particular we study their integer cohomology rings, which are torsion free Z-modules of which we find Z-bases. When the considered arrangement is the braid hyperplane arrangement, this leads to the study of the integer cohomology rings of the moduli spaces of n-pointed curves of genus 0 and of their Mumford-Deligne compactifications. We deal with the action of the symmetric group on the cohomology rings: we give explicit formulas for the associated generalized Poincaré series, and provide recursive formulas for the characters.weiterlesen

Dieser Artikel gehört zu den folgenden Serien

Sprache(n): Englisch

ISBN: 978-88-7642-289-8 / 978-8876422898 / 9788876422898

Verlag: Edizioni della Normale

Erscheinungsdatum: 01.10.1999

Seiten: 108

Auflage: 1

Zielgruppe: Research

Autor(en): Giovanni Gaiffi

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