# The geometry of confocal curves for passing through a door

> Research article (IEEE Transactions on Robotics, 2015) · cited 10× · AI/ML

**Wikidata**: [openalex:W1618854595](https://www.wikidata.org/wiki/openalex:W1618854595)  
**Source**: https://4ort.xyz/entity/the-geometry-of-confocal-curves-for-passing-through-a-door