: Mathématiques: Borel conjecture

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Borel conjecture

In mathematics, specifically geometric topology, the Borel conjecture (named for Armand Borel) asserts that an aspherical closed manifold is determined by its fundamental group, up to homeomorphism. It is a rigidity conjecture, asserting that a weak, algebraic notion of equivalence (namely, homotopy equivalence) should imply a stronger, topological notion (namely, homeomorphism).
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Borel_conjecture)

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