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 Triangulations of Seifert Fibered 3-Manifords Commun. Korean Math. Soc. 1998 Vol. 13, No. 4, 839-845 Sungbok Hong, Myung Hwa Jeong, Jung Sook Sakong Korea University, Korea University, Korea University Abstract : For an oriented compact, connected Seifert fibred 3-manifold $M$ with nonempty boundary, we construct a simplicial complex using the equivalence classes of marked annulus systems and show that it is contractible. Keywords : Seifert fibered manifold, arc system, marked annulus system MSC numbers : 57M99 Downloads: Full-text PDF