Ordering homotopy string links over surfaces and a presentation for the generalized string links over surfaces
In this work, we prove that the set of link-homotopy classes of generalized string links over a closed, connected and orientable surface M of genus g ≥ 1 form a group, denoted by Bn(M) and we find a presentation for it. Moreover, we prove that its normal subgroup PBnn(M), namely, the homotopy...
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| Format: | Others |
| Language: | en |
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Biblioteca Digitais de Teses e Dissertações da USP
2014
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| Online Access: | http://www.teses.usp.br/teses/disponiveis/55/55135/tde-28042015-155522/ |