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Convex bodies equidecomposable by locally discrete groups of isometries

  • R. J. Gardner (a1)

Abstract

We show that if a polytope K1, in d can be partitioned into a finite number of sets, and these sets can be moved by isometries in a locally discrete group to form a convex body K2, then K2 is a polytope and a similar partition can be made where the sets involved are simplices with disjoint interiors. This gives partial answers to questions of Tarski, Sallee and Wagon.

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