##  [Postnikov Tower](/postnikov-tower) 

  ##  [Postnikov Tower](https://puremath.quantumdictionary.io/postnikov-tower-0) 

  

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- Mathematics & Logic -

**Pure Mathematics Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A canonical filtration of a space (or spectrum) by stages whose homotopy groups vanish above a given degree: each stage is a principal fibration with fiber an Eilenberg–MacLane space, and the successive extensions are encoded by k-invariants.