On the asymptotic number of non-equivalent q-ary linear codes

on the effect of linear & non-linear texts on students comprehension and recalling

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An asymptotic formula in q for the number of [n, k] q-ary MDS codes

We obtain an asymptotic formula in q for the number of MDS codes of length n and dimension k over a finite field with q elements.

On new completely regular q-ary codes

In this paper from q-ary perfect codes new completely regular q-ary codes are constructed. In particular, two new ternary completely regular codes are obtained from ternary Golay [11, 6, 5] code. The first [11, 5, 6] code with covering radius ρ = 4 coincides with the dual Golay code and its intersection array is (22, 20, 18, 2, 1; 1, 2, 9, 20, 22) . The second [10, 5, 5] code, with covering rad...

Nonequivalent q-ary Perfect Codes

Prefixless q-ary Balanced Codes

We will present a Knuth-like method for balancing q-ary codewords, which is characterized by the absence of a prefix that carries the information on the balancing index. Lookup tables for coding and decoding the prefix are avoided. Index Terms Constrained code, balanced code, running digital sum, Knuth code, error correction.