Abstract
An \([n,k,d]_q\) code is a linear code of length n, dimension k and minimum weight d over the field of order q. It is known that the Griesmer bound is attained for all sufficiently large d for fixed q and k. We deal with the problem to find \(D_{q,k}\), the largest value of d such that the Griesmer bound is not attained for fixed q and k. \(D_{q,k}\) is already known for the cases \(q \ge k\) with \(k=3,4,5\) and \(q \ge 2k-3\) with \(k \ge 6\), but not known for the case \(q<k\) except for some small q and k. We show that our conjecture on \(D_{3,k}\) is valid for \(k \le 9\).
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Communicated by J.-L. Kim.
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This research was partially supported by JSPS KAKENHI Grant Number 20K03722.
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Kawabata, D., Maruta, T. On the nonexistence of ternary linear codes attaining the Griesmer bound. Des. Codes Cryptogr. 90, 947–956 (2022). https://doi.org/10.1007/s10623-022-01021-7
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DOI: https://doi.org/10.1007/s10623-022-01021-7