# Optimal Reconstruction of the Hellings and Downs Correlation

> Research article (Physical Review Letters, 2025) · cited 12× · AI/ML

**Wikidata**: [openalex:W4406730545](https://www.wikidata.org/wiki/openalex:W4406730545)  
**Source**: https://4ort.xyz/entity/optimal-reconstruction-of-the-hellings-and-downs-correlation