Exceptional surgery and boundary slopes

dc.creatorIshikawa, Masaharu
dc.creatorMattman, Thomas W.
dc.creatorShimokawa, Koya
dc.date2002-11-08
dc.date2003-12-09
dc.date.accessioned2026-07-07T04:52:48Z
dc.date.available2026-07-07T04:52:48Z
dc.descriptionLet X be a norm curve in the SL(2,C)-character variety of a knot exterior M. Let t = || b || / || a || be the ratio of the Culler-Shalen norms of two distinct non-zero classes a, b in H_1(\partial M, Z). We demonstrate that either X has exactly two associated strict boundary slopes \pm t, or else there are strict boundary slopes r_1 and r_2 with |r_1| > t and |r_2| < t. As a consequence, we show that there are strict boundary slopes near cyclic, finite, and Seifert slopes. We also prove that the diameter of the set of strict boundary slopes can be bounded below using the Culler-Shalen norm of those slopes.
dc.description12 pages, 1 figure. Version 2 - minor revisions; corrected typos etc
dc.identifierhttps://arxiv.org/abs/math/0211147
dc.identifierhttp://arxiv.org/abs/math/0211147
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/65601
dc.subjectGeometric Topology
dc.subject57M25, 57R65
dc.titleExceptional surgery and boundary slopes
dc.typetext

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