Definition of "circulant" [circulant]

• A circulant matrix (noun)

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• "But the basic Weyl circulant is only one of the MUB factors, coming from the braided (MUB) 1-circulants, with entries that are roots of unity, give rise to more general large complex matrices with one entry in each row and column."
• "In vector space arithmetic, instead of ordinary combination of circulant primes in a matrix ordinal $n$ is a product."
• "It follows that a Koide matrix is an exponential of the matrix The first entry of the circulant $A$ is $\textrm {log} (\sqrt {m_1 m_2 m_3}) $."