Classical Topology and Combinatorial Group Theory

J. Stillwell, Springer-Verlag, 1993
  • p.21, paragraph 2: the definition of the orientation that an n-simplex induces on its faces is incorrect.
  • p.72, paragraph 2 and Figure 88: the procedure to reduce the number of vertices equivalent to Q is incorrect. What is needed is not that Q is inequivalent to P, but that Q is inequivalent to the unlabelled vertex incident to edges b and c in Figure 88.

The Knot Book

C. Adams, W.H. Freeman and Co, 1994
  • p.98, Exercise 4.19, the formula should read g = (1+c-s)/2.

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