# Seifert conjecture

> states that every nonsingular, continuous vector field on the 3-sphere has a closed orbit

**Wikidata**: [Q376443](https://www.wikidata.org/wiki/Q376443)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Seifert_conjecture)  
**Source**: https://4ort.xyz/entity/seifert-conjecture