Block Low-Rank Matrices with Shared Bases: Potential and Limitations of the BLR^2 Format

Cleve Ashcraft (1) , Alfredo Buttari (2) , Théo Mary (3)

1 ANSYS
2 IRIT-APO - Algorithmes Parallèles et Optimisation
3 PEQUAN - Performance et Qualité des Algorithmes Numériques

Mots clés: Data sparse matrices; block low-rank matrices; block separable matrices; hierarchical matrices; LU factorization; numerical linear algebra

Domaines: Informatique [cs]; Mathématiques [math]

Cleve Ashcraft, Alfredo Buttari, Théo Mary. Block Low-Rank Matrices with Shared Bases: Potential and Limitations of the BLR^2 Format. 2020. ⟨hal-03070416v1⟩