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  1. Homology and cohomology (1): chain complex

    Homology and cohomology (1): chain complex

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  2. Algebraic Geometry: dimension theory and noetherian topological space

    Algebraic Geometry: dimension theory and noetherian topological space

    49
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  3. Topological invariant Hausdorff, compact and connectness

    Topological invariant Hausdorff, compact and connectness

    10
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  4. Furstenberg's proof of the infinitude of primes (topological proof)

    Furstenberg's proof of the infinitude of primes (topological proof)

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  6. The Induced Map on the Spectrum is continuous and contravariant functor

    The Induced Map on the Spectrum is continuous and contravariant functor

    2