We also note, as suggested in the hint, that we can define a functor TorG1 from the category C of Abelian groups to the category C of Abelian group by TorG1 : ob(C) a ob(C), G a TorG1 (G) = Tor(G1 , G), so that we may define the action of theanbsp;...

Title | : | Theorems and Problems in Functional Analysis - The Answer Book Volume I: ELEMENTS OF SET THEORY AND TOPOLOGY |

Author | : | Martin Rupp |

Publisher | : | Martin Rupp - |

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