On spines of Seifert fibered manifolds

• Autores: Beatrice Ruini, Fulvia Spaggiari, Andrei Vesnin
• Localización: Aequationes mathematicae, ISSN 0001-9054, Vol. 65, Nº. 1-2, 2003, págs. 40-60
• Idioma: inglés
• DOI: 10.1007/s000100300003
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• Resumen

  • We define a family of balanced presentations of groups and prove that they correspond to spines of some Seifert fibered 3-manifolds. These presentations of groups (and manifolds) generalize in a natural way many classes of presentations of groups (and manifolds) previously studied by several authors. Moreover, we construct crystallizations representing the small Seifert manifolds of the considered class.