Hierarchical matrices (in short: {Hilbert space} -matrices) have first been introduced in 1998 [7] and since then have entered into a wide range of applications. They provide a format for the data-sparse representation of fully populated matrices.
CITATION STYLE
Le Borne, S., Grasedyck, L., & Kriemann, R. (2007). Domain-decomposition Based H-LU Preconditioners. Lecture Notes in Computational Science and Engineering, 55, 668–674. https://doi.org/10.1007/978-3-540-34469-8_83
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