# Note on subdirect sums of SDD(<i>p</i>) matrices

> Research article (Linear and Multilinear Algebra, 2020) · cited 13× · AI/ML

**Wikidata**: [openalex:W3055456377](https://www.wikidata.org/wiki/openalex:W3055456377)  
**Source**: https://4ort.xyz/entity/note-on-subdirect-sums-of-sdd-i-p-i-matrices
