Region crossing change is an unknotting operation
classification
🧮 math.GT
keywords
knotregionchangecrossingdiagramunknottingoperationdefine
read the original abstract
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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