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zbMath0595.57004MaRDI QIDQ3726991

Luigi Grasselli

Publication date: 1986

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

edge-coloured graph manifold crystallization contracted triangulation fundamental group of pl-manifolds presentation of the fundamental group of a closed 3- manifold

Mathematics Subject Classification ID

Fundamental group, presentations, free differential calculus (57M05) Algebraic topology of manifolds (57N65)

Related Items (3)

A universal branching set for 4-dimensional manifolds ⋮ Compact 3-manifolds via 4-colored graphs ⋮ Representing branched coverings by edge-coloured graphs

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