 ##  [Betti-De Rham Comparison](/betti-de-rham-comparison) 

  ##  [Betti-De Rham Comparison](https://mathlogic.quantumdictionary.io/betti-de-rham-comparison-0) 

  

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**Mathematics &amp; Logic Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A comparison isomorphism that relates Betti (singular/topological) cohomology of a suitable complex algebraic variety or manifold with its algebraic or analytic de Rham cohomology, often after tensoring with the complex numbers, identifying cycle integrals with periods of differential forms.