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20162025
most citedGraph-Induced Rank Structures and their Representations

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math.NA2024

Tree quasi-separable matrices: a simultaneous generalization of sequentially and hierarchically semi-separable representations

Nithin Govindarajan, Shivkumar Chandrasekaran, Patrick Dewilde

We present a unification and generalization of what is known in the literature as sequentially and hierarchically semi-separable (SSS and HSS) representations for matrices. Describ…