The Subgroup of ...2 Generated by Automorphisms of Tori.
The Fundamental Group of Fibered Knot Cobordisms.
Smooth spheres in IR4 with four critical points are standard.
Heegaard splittings of (surface) x I are standars.
Tangles, Property P, and a Problem of J. Martin.
Unknotting Number, Genus, and Companion Tori.
Link genus and the Conway moves.
Transversality Theories at Dimension Four.
Levelling an unknotting tunnel.
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