# PEXSI-$\Sigma$: a Green’s function embedding method for Kohn–Sham density functional theory

> Research article (Annals of Mathematical Sciences and Applications, 2018) · cited 11× · AI/ML

**Wikidata**: [openalex:W2963271719](https://www.wikidata.org/wiki/openalex:W2963271719)  
**Source**: https://4ort.xyz/entity/pexsi-sigma-a-greens-function-embedding-method-for-kohnsham-density-functional-theory