
The authors impose algebraic structure on cyclic codes. In particular, they consider codes which are graded left \(R\)-modules. They establish properties of graded codes from their homogeneous components and generalize to results about codes as ideals in group algebras. For instance, they study cocyclic codes as ideals in a crossed product.
graded rings, cocycles, cyclic codes, Group rings, group algebras, twisted rings, Synchronization error-correcting codes, cocyclic codes, Cyclic codes
graded rings, cocycles, cyclic codes, Group rings, group algebras, twisted rings, Synchronization error-correcting codes, cocyclic codes, Cyclic codes
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