##  [Galois Module Theory](/galois-module-theory) 

  ##  [Galois Module Theory](https://puremath.quantumdictionary.io/galois-module-theory-0) 

  

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- Mathematics & Logic -

**Pure Mathematics Dictionary**

 







 

 

 

 



 

 

 

 

Definition

The study of arithmetic and algebraic structures endowed with an action of a Galois group, viewed as modules over group rings; it focuses on module structure, equivariant cohomological invariants, descent, and how arithmetic objects behave under Galois symmetries.