##  [Projective Resolution](/projective-resolution) 

  ##  [Projective Resolution](https://mathlogic.quantumdictionary.io/projective-resolution-0) 

  

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- Natural & Formal Sciences -

**Mathematics & Logic Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A chain complex of projective modules (or projective objects in an abelian category) together with a quasi‑isomorphism (or augmentation) from the complex to a given module M that is exact except at degree zero; used to compute derived functors such as Ext and Tor.