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arXiv:1009.3411 [math.GT]AbstractReferencesReviewsResources

A note on knots with H(2)-unknotting number one

Yuanyuan Bao

Published 2010-09-17Version 1

We give an obstruction to unknotting a knot by adding a twisted band, derived from Heegaard Floer homology.

Comments: 6 pages, 4 figures
Categories: math.GT
Subjects: 57M25, 57M27, 57M50
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