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Results tagged with homology
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user 1123
Homology is a general way of associating a sequence of algebraic objects such as abelian groups or modules to other mathematical objects such as topological spaces.
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Are there two non-diffeomorphic smooth manifolds with the same homology groups?
A more trivial example is R^n and R^m for m and n different. (More generally two contractible spaces of different dimensions.)
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