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20022009
most citedWeak collapsing and geometrisation of aspherical 3-manifolds

17 citations

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math.GT2004★ 5 cited

A short introduction to shadows of 4-manifolds

Francesco Costantino

We give a self-contained introduction to the theory of Turaev's shadows as a tool to study 3 and 4-manifolds. The goal of the present paper twofold: on one side it is intended to b…