Comparison of the Plus and Q-Constructions

  • V. Srinivas
Part of the Modern Birkhauser Classics book series (MBC)


Let S be an Abelian monoid, i.e., S has a commutative, associative binary operation with a two-sided identity. We say that S acts on a set X if there is a homomorphism of monoids S → Hom Set (X, X); if sS, the corresponding map of sets XX is called translation by s. We say that S acts invertibly on X if each translation is bijective.


Spectral Sequence Short Exact Sequence Natural Transformation Natural Isomorphism Monoidal Category 
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Copyright information

© Springer Science+Business Media New York 1996

Authors and Affiliations

  • V. Srinivas
    • 1
  1. 1.School of MathematicsTata Institute of Fundamental ResearchBombayIndia

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