The slicing number of a knot

@inproceedings{Livingston2002TheSN,
  title={The slicing number of a knot},
  author={Charles Livingston},
  year={2002}
}
An open question asks if every knot of 4{genus gs can be changed into a slice knot by gs crossing changes. A counterexample is given. AMS Classi cation 57M25; 57N70 

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