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The Ganea and Whitehead Variants of the Lusternik–Schnirelmann Category
Published online by Cambridge University Press: 20 November 2018
Abstract
The Lusternik–Schnirelmann category has been described in different ways. Two major ones, the first by Ganea, the second by Whitehead, are presented here with a number of variants. The equivalence of these variants relies on the axioms of Quillen's model category, but also sometimes on an additional axiom, the so-called “cube axiom”.
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- Copyright © Canadian Mathematical Society 2006
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