Triangulations of fibre-free Haken 3-manifolds

• Autores: Alexandar Mijatovic
• Localización: Pacific journal of mathematics, ISSN 0030-8730, Vol. 219, Nº 1, 2005, págs. 139-186
• Idioma: inglés
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• Resumen

  • It is not known whether there exists a computable function bounding the number of Pachner moves needed to connect any two triangulations of a compact 3-manifold. In this paper we ?nd an explicit bound of this kind for all Haken 3-manifolds that contain no ?bred submanifolds as strongly simple pieces of their JSJ-decomposition. The explicit formula for the bound is in terms of the number of tetrahedra in the two triangulations. This implies a conceptually trivial algorithm for recognising any non?bred knot complement among all 3-manifolds.