Region crossing change is an unknotting operation

Details Region crossing change is an unknotting operation Region crossing change is an unknotting operation

2010-11-29

arxiv.org/abs/1011.6304v2

Mathematics

Geometric Topology

12 pages, 11 figures

Scientific paper

Region crossing change is a local transformation on a knot or link diagram.
We show that a region crossing change on a knot diagram is an unknotting
operation, and we define the region unknotting numbers for a knot diagram and a
knot.

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