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Displaying similar documents to “An Improvement to the Achievement of the Griesmer Bound”

The Nonexistence of some Griesmer Arcs in PG(4, 5)

Landjev, Ivan, Rousseva, Assia (2008)

Serdica Journal of Computing

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In this paper, we prove the nonexistence of arcs with parameters (232, 48) and (233, 48) in PG(4,5). This rules out the existence of linear codes with parameters [232,5,184] and [233,5,185] over the field with five elements and improves two instances in the recent tables by Maruta, Shinohara and Kikui of optimal codes of dimension 5 over F5.

The Nonexistence of [132, 6, 86]3 Codes and [135, 6, 88]3 Codes

Oya, Yusuke (2011)

Serdica Journal of Computing

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We prove the nonexistence of [g3(6, d), 6, d]3 codes for d = 86, 87, 88, where g3(k, d) = ∑⌈d/3i⌉ and i=0 ... k−1. This determines n3(6, d) for d = 86, 87, 88, where nq(k, d) is the minimum length n for which an [n, k, d]q code exists.

Construction of Optimal Linear Codes by Geometric Puncturing

Maruta, Tatsuya (2013)

Serdica Journal of Computing

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Dedicated to the memory of S.M. Dodunekov (1945–2012)Abstract. Geometric puncturing is a method to construct new codes. ACM Computing Classification System (1998): E.4. ∗This research was partially supported by Grant-in-Aid for Scientific Research of Japan Society for the Promotion of Science under Contract Number 24540138.

Note on an Improvement of the Griesmer Bound for q-ary Linear Codes

Hamada, Noboru, Maruta, Tatsuya (2011)

Serdica Journal of Computing

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Let nq(k, d) denote the smallest value of n for which an [n, k, d]q code exists for given integers k and d with k ≥ 3, 1 ≤ d ≤ q^(k−1) and a prime or a prime power q. The purpose of this note is to show that there exists a series of the functions h3,q, h4,q, ..., hk,q such that nq(k, d) can be expressed. This research was partially supported by Grant-in-Aid for Scientific Research of Japan Society for the Promotion of Science under Contract Number 20540129.