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Constacyclic Codes over F

Let q be a prime power and Fq be a finite field. In this paper, we study constacyclic codes over the ring Fq+uFq+vFq+uvFq, where u 2 = u, v 2 = v and uv = vu. We characterized the generator polynomials of constacyclic codes and their duals using some decomposition of this ring.