# homotopy theory

> subfield of algebraic topology dealing with structures invariant under homotopy equivalence

**Wikidata**: [Q9357062](https://www.wikidata.org/wiki/Q9357062)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Homotopy_theory)  
**Source**: https://4ort.xyz/entity/homotopy-theory