Abstract
In this paper, we develop the algebraic theory of q-ary linear codes invariant under the action of a permutation σ. We show that the structure of these σ-codes is very similar to that of cyclic codes. In particular, e determine how many such codes there are of length N. We further show that these codes can be very conveniently described using the concatenation function of Jensen which is a simple generalization of the trace description of irreducible cyclic codes.
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© 1996 Springer-Verlag Berlin Heidelberg
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Séguin, G.E. (1996). The algebraic structure of codes invariant under a permutation. In: Chouinard, JY., Fortier, P., Gulliver, T.A. (eds) Information Theory and Applications II. CWIT 1995. Lecture Notes in Computer Science, vol 1133. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0025131
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DOI: https://doi.org/10.1007/BFb0025131
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