Reversible G^k-Codes with Applications to DNA Codes
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In this paper, we give a matrix construction method for designing DNA codes that come from group matrix rings. We show that with our construction one can obtain reversible G^k-codes of length kn, where k, n ∈ℕ, over the finite commutative Frobenius ring R. We employ our construction method to obtain many DNA codes over 𝔽_4 that satisfy the Hamming distance, reverse, reverse-complement and the fixed GC-content constraints. Moreover, we improve many lower bounds on the sizes of some known DNA codes and we also give new lower bounds on the sizes of some DNA codes of lengths 48, 56, 60, 64 and 72 for some fixed values of the Hamming distance d.
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