# 2D-FFTLog: efficient computation of real-space covariance matrices for galaxy clustering and weak lensing

> Research article (Monthly Notices of the Royal Astronomical Society, 2020) · cited 85× · AI/ML

**Wikidata**: [openalex:W3015586832](https://www.wikidata.org/wiki/openalex:W3015586832)  
**Source**: https://4ort.xyz/entity/2d-fftlog-efficient-computation-of-real-space-covariance-matrices-for-galaxy-clustering-and-weak-lensing
