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A Boundary operator on p-chains

  1. Dec 11, 2017 #26

    WWGD

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    Why don't you do an " Insights" on this? and , please, edit your previous; seems interesting, but difficult to read.
     
  2. Dec 11, 2017 #27

    lavinia

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    I fixed it.
     
  3. Dec 11, 2017 #28

    WWGD

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    I vaguely remember using cup products to distinguish between spaces in ways cohomology alone could not, i.e., the spaces had identical
    cohomology groups but their cup product structures were non-isomorphic ( or whatever category applies).
     
  4. Dec 12, 2017 #29

    lavinia

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    right
     
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