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Somphong Jitman
Circulant matrices have attracted interest due to their rich algebraic structures and various applications. In this paper, the concept of vector-circulant matrices over finite fields is studied as a generalization of circulant matrices. The algebraic cha...
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Rafael Díaz Fuentes, Stefano Serra-Capizzano and Rosita Luisa Sormani
It is well known that ω" role="presentation">???
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-circulant matrices with ω≠0" role="presentation" style="position: relative;">???0??0
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can be simultaneously diagonalized by a transform matrix, which can be factored...
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Jin-Bo Wang, You Wu and Yu Zhou
Maximum distance separable (MDS) codes have the maximum branch number in cryptography, and they are generally used in diffusion layers of symmetric ciphers. The diffusion layer of the Advanced Encryption Standard (AES) uses the circulant MDS matrix with ...
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