We show an algorithmic procedure to obtain a presentation of the fundamental group of a closed PL n-manifold M, starting from a contracted triangulation or a crystallization of M.
How to deduce the fundamental group of a closed n-manifold from a contracted triangulation / Gagliardi, Carlo. - In: JOURNAL OF COMBINATORICS, INFORMATION & SYSTEM SCIENCES. - ISSN 0250-9628. - STAMPA. - 4:(1979), pp. 237-252.
How to deduce the fundamental group of a closed n-manifold from a contracted triangulation
GAGLIARDI, Carlo
1979-01-01
Abstract
We show an algorithmic procedure to obtain a presentation of the fundamental group of a closed PL n-manifold M, starting from a contracted triangulation or a crystallization of M.
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