# Gradient-Free Construction of Active Subspaces for Dimension Reduction in Complex Models with Applications to Neutronics

> Research article (SIAM/ASA Journal on Uncertainty Quantification, 2019) · cited 14× · AI/ML

**Wikidata**: [openalex:W2909433447](https://www.wikidata.org/wiki/openalex:W2909433447)  
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