# Siegel upper half-space

> set of complex matrices with positive definite imaginary part

**Wikidata**: [Q2283003](https://www.wikidata.org/wiki/Q2283003)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Siegel_upper_half-space)  
**Source**: https://4ort.xyz/entity/siegel-upper-half-space