# The difference between port-Hamiltonian, passive and positive real descriptor systems

> Research article (Mathematics of Control Signals and Systems, 2023) · cited 19× · AI/ML

**Wikidata**: [openalex:W4388593078](https://www.wikidata.org/wiki/openalex:W4388593078)  
**Source**: https://4ort.xyz/entity/the-difference-between-port-hamiltonian-passive-and-positive-real-descriptor-systems