##  [Cohomology Jumping Locus](/cohomology-jumping-locus) 

  ##  [Cohomology Jumping Locus](https://algebra.quantumdictionary.io/cohomology-jumping-locus-0) 

  

 [![Algebra](/sites/default/files/styles/large/public/2026-01/Algebra.png.webp?itok=3pHxBnUF)](/topic-specific-dictionaries/pure-mathematics/algebra)

- Pure Mathematics -

**Algebra Dictionary**

 







 

 

 

 



 

 

 

 

Definition

The subset of a parameter (moduli) space where the dimension of a given cohomology group of fibers increases discontinuously compared to the general fiber; places where cohomology 'jumps' indicating special geometric or algebraic features.