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arXiv:1211.6909 [math.GT]AbstractReferencesReviewsResources

A Sharp Upper Bound for Region Unknotting Number of Torus Knots

Vikash Siwach, Madeti Prabhakar

Published 2012-11-29Version 1

Region crossing change for a knot or a proper link is an unknotting operation. In this paper, we provide a sharp upper bound on the region unknotting number for a large class of torus knots and proper links. Also, we discuss conditions on torus links to be proper.

Comments: 17 pages, 2 figures
Journal: Journal of Knot Theory and Its Ramifications, Vol. 22, No. 5 (2013)
Categories: math.GT, math.GN
Subjects: 57M25
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