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Unit group of algebra of circulant matricesKeywords: Algebra , Unit Group , Circulant Matrices Abstract: Let Crn(Fp) denote the algebra of nXn circulant matrices over Fp, finite field of order p of prime characteristic p. The order of the unit groups U(Cr3(Fp)), U(Cr4(Fp)) and U(Cr5(Fp)) of algebras of circulant matrices over Fp are characterized.
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