Abstract

Let G G be a finite group and M M be a compact piecewise linear (PL) manifold. Define a PL G G -isotopy to be a level-preserving PL action of G G on M × [ 0 , 1 ] M \times [0,1] . In this paper PL G G -isotopies are studied and PL G G -isotopic actions (which need not be equivalent) are characterized.

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