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quant-ph2024
Order-six CHMs containing exactly three distinct elements
Yanzu Huang, Mengfan Liang, Lin Chen
Complex Hadamard matrices (CHMs) are intimately related to the number of distinct matrix elements. We investigate CHMs containing exactly three distinct elements, which is also the…
quant-ph2024
Eigenvalues and eigenvectors of complex Hadamard matrices
Mengfan Liang, Lin Chen
Characterizing the complex Hadamard matrices (CHMs) is an open problem in linear algebra and quantum information. In this paper, we investigate the eigenvalues and eige…