Author

Yang Zhang

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Preprint Oct 2026

Efficient Low-Rank Approximation of Quaternion Matrices via Adaptive Cross Approximation

The adaptive cross approximation (ACA) algorithm is a powerful tool for constructing low-rank matrix approximations using only a small subset of matrix entries. While extensively studied for real and complex matrices, its extension to quaternion algebras, remains largely unexplored. This paper presents the first compre...

Salman Ahmadi-Asl, Yang Zhang · 0 citations