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    Important information about Homology group

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    Determine the structure of the homology group H_n(X), n >= 0, if X is
    (a) the set of rational numbers with their usual topology;
    (b) a countable, discrete set.

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    All continuous maps from connected spaces C to either the rationals or Z (a countable ...

    Solution Summary

    An homology group is investigated. The set of rational numbers with their usual topology is discussed.