2014
DOI: 10.1515/advgeom-2014-0008
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Cohomology of 3-points configuration spaces of complex projective spaces

Abstract: We compute the Betti numbers and describe the cohomology algebras of the ordered and unordered configuration spaces of three points in complex projective spaces, including the infinite dimensional case. We also compute these invariants for the configuration spaces of three collinear and non-collinear points.

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Cited by 3 publications
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“…The stable Betti numbers of Conf n CP 2 prove Conjecture G of [42] which was first noticed by Kupers and Miller [28, Theorem 1.1] who computed the stable Betti numbers of Conf n CP 2 using McDuff's scanning map. Related computations are also done in [39,2].…”
Section: Proofs Of Unstable and Stable Valuesmentioning
confidence: 99%
“…The stable Betti numbers of Conf n CP 2 prove Conjecture G of [42] which was first noticed by Kupers and Miller [28, Theorem 1.1] who computed the stable Betti numbers of Conf n CP 2 using McDuff's scanning map. Related computations are also done in [39,2].…”
Section: Proofs Of Unstable and Stable Valuesmentioning
confidence: 99%