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Cohomology of 3-points configuration spaces of complex projective spaces

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.

preprint2012arXivOpen access
Samia AshrafBarbu Berceanu
math.ATmath.GT
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Samia AshrafBarbu Berceanu

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