Gluck twist on a certain family of 2-knots
  We show that by performing the Gluck twist along the 2-knot $K^2_{pq}$ derived from two ribbon presentations of the ribbon 1-knot $K(p,q)$ we get the standard 4-sphere $S^4$. In the proof we apply Kirby calculus. 
Daniel Nash, Andr\'as I. Stipsicz
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