468 Index
torus
knot, 25, 28
solid, 42
trivial range, xvii, 145
twice flat, 92, 404
two-sided, 350
unknotted, xv
Unknotting Problem, xv, 196
Unknotting Theorems, 146, 165, 196, 199,
201, 212, 213, 215, 220, 240, 261, 264,
278, 279, 281, 358, 393
unlink, 28
unraveled at infinity, 284
upper half space, 1
vertically simple, 217
Vietoris-Begle Theorem, 9, 109, 435
Wang sequence, 276
Weak
h-Cobordism Theorem, 105
Poincar´ e Theorem, 99
weakly flat, 78
wedge, 1
weight of a group, 283
Whitehead
continuum, 111
group, 280, 281, 426, 433
link, 112, 211, 335
manifold, 112
Theorem, 17
Whitney trick, 195
wild
at a point, 30, 32
Cantor set, 42, 169, 174, 421
embedding, xv
mildly, 79
point, 51
set, 51
subspace, xv
Zeeman engulfing, 105
Zeeman’s Unknotting Theorem, 210
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