# Thom isomorphism

> degree-shifted isomorphism between the cohomology of a space and the reduced cohomology of the Thom space of a vector bundle over the space

**Wikidata**: [Q3527000](https://www.wikidata.org/wiki/Q3527000)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Thom_isomorphism)  
**Source**: https://4ort.xyz/entity/thom-isomorphism