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Displaying 241 – 260 of 454

On Asymptotic Cones and Quasi-isometry Classes of Fundamental Groups of 3-manifolds.

M. Kapovich, B. Leeb (1995)

Geometric and functional analysis

On boundary slopes of immersed incompressible surfaces

Mark D. Baker (1996)

Annales de l'institut Fourier

Let $M$ be a compact, orientable, irreducible 3-manifold with $\partial M$ a torus. We show that there can be infinitely many slopes on $\partial M$ realized by the boundary curves of immersed, incompressible, $\partial$ - incompressible surfaces in $M$ which are embedded in a neighborhood of $M$ .

On branched coverings of 3-manifolds which fiber over the circle.

Robert Brooks (1985)

Journal für die reine und angewandte Mathematik

On Branched Coverings of the 3-Sphere.

Ulrich Hirsch (1977)

Mathematische Zeitschrift

On central extensions of mapping class groups.

G. Masbaum, J.D. Roberts (1995)

Mathematische Annalen

On compact subsets of an n-manifold

Doyle, P.H. (1972)

Portugaliae mathematica

On contractible open 3-manifolds.

E. Luft (1987)

Aequationes mathematicae

On Culler-Shalen seminorms and Dehn filling.

Boyer, S., Zhang, X. (1998)

Annals of Mathematics. Second Series

On Cyclic Branched Coverings of Spheres.

U. Hirsch, W.D. Neumann (1975)

Mathematische Annalen

On Dihedral Covering Spaces of Knots.

K.A. Jr. Perko (1976)

Inventiones mathematicae

On Embedded 2-Spheres in 3-Manifolds.

Bärbel Wicha-Krause (1983)

Mathematische Zeitschrift

On finite type 3-mainfold invarinats II.

Stavros Garoufalidis, Jerome Levine (1996)

Mathematische Annalen

On for dimensional s-cobordisms, II.

J.L. Shaneson, Sylvain E. Cappell (1989)

Commentarii mathematici Helvetici

On Heegaard Decompositions of Torus Knot Exteriors and Related Seifert Fibre Spaces.

Heiner Zieschang, Michel Boileau, Markus Rost (1987/1988)

Mathematische Annalen

On hyperbolic 3-manifolds obtained by Dehn surgery on links.

Kim, Soo Hwan, Kim, Yangkok (2010)

International Journal of Mathematics and Mathematical Sciences

On low dimensional S-cobordisms.

Slawomir Kwasik (1986)

Commentarii mathematici Helvetici

On malnormal peripheral subgroups of the fundamental group of a $3$ -manifold

Pierre de la Harpe, Claude Weber (2014)

Confluentes Mathematici

Let $K$ be a non-trivial knot in the $3$ -sphere, $E_{K}$ its exterior, $G_{K} = π_{1} (E_{K})$ its group, and $P_{K} = π_{1} (\partial E_{K}) \subset G_{K}$ its peripheral subgroup. We show that $P_{K}$ is malnormal in $G_{K}$ , namely that $g P_{K} g^{- 1} \cap P_{K} = {e}$ for any $g \in G_{K}$ with $g \notin P_{K}$ , unless $K$ is in one of the following three classes: torus knots, cable knots, and composite knots; these are exactly the classes for which there exist annuli in $E_{K}$ attached to $T_{K}$ which are not boundary parallel (Theorem 1 and Corollary 2). More generally, we characterise malnormal peripheral subgroups in the fundamental group of a...

On manifold spines and cyclic presentations of groups

Alberto Cavicchioli, Friedrich Hegenbarth, Dušan Repovš (1998)

Banach Center Publications

This is a survey of results and open problems on compact 3-manifolds which admit spines corresponding to cyclic presentations of groups. We also discuss questions concerning spines of knot manifolds and regular neighborhoods of homotopically PL embedded compacta in 3-manifolds.

On maximal fibred submanifolds of a knot exterior.

Osamu Kakimizu (1989)

Mathematische Annalen

On McMullen's and other inequalities for the Thurston norm of link complements.

Dasbach, Oliver T., Mangum, Brian S. (2001)

Algebraic & Geometric Topology

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