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On The 4-Dimensional Poincarè Conjecture for Manifolds with 2-Dimensional Spines
Published online by Cambridge University Press: 20 November 2018
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We shall work in the piecewise-linear category, so that all manifolds and subsets thereof, as well as all maps are assumed to be piecewise-linear. If M is a manifold, denote by #k M the k-fold connected sum of copies of M and by 2M the double of M, that is the manifold obtained by sewing two copies of M together by the identity map on their boundaries.
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- Copyright © Canadian Mathematical Society 1974