A LIMITATION ON ALGORITHMS FOR CONSTRUCTING MINIMAL ARC-PRESENTATIONS FROM LINK DIAGRAMS

Author:

BELTRAMI ELISABETTA1,CROMWELL PETER R.2

Affiliation:

1. Dipartimento di Matematica, Università di Pisa, Via F. Buonarroti 2, 56127 Pisa, Italy

2. Department of Pure Mathematics, University of Liverpool, PO Box 147, Liverpool, L69 3BX, England

Abstract

The arc index of a link is closely related to its crossing number. An algorithm is known which produces an arc-presentation by drawing the binding circle on a link diagram. When the algorithm can be applied and the link is alternating, the presentation is known to be minimal. Here we exhibit an example which shows that no such algorithm can be valid for all link diagrams.

Publisher

World Scientific Pub Co Pte Lt

Subject

Algebra and Number Theory

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. ARC INDEX OF NON-ALTERNATING LINKS;Journal of Knot Theory and Its Ramifications;2002-05

2. An upper bound of arc index of links;Mathematical Proceedings of the Cambridge Philosophical Society;2000-11

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