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Are there any properties of topological spaces that could be described as topological covariants, rather than topological invariants ?

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Is this a serious question? – Harry Gindi Nov 13 2010 at 14:18
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What do you mean by a topological covariant? – José Figueroa-O'Farrill Nov 13 2010 at 14:38

closed as not a real question by Harry Gindi, Ben Webster Nov 13 2010 at 15:47

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