2010
DOI: 10.1007/s10623-009-9361-4
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Minimum distance of Hermitian two-point codes

Abstract: We prove a formula for the minimum distance of two-point codes on a Hermitian curve.

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Cited by 23 publications
(23 citation statements)
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“…Note that also for two-points Hermitian codes there are geometrical descriptions regarding minimum weight codewords. In particular, in 2010, using a method based on [19], Park [29] finds the minimum distance of two-points Hermitian codes and obtains a geometrical characterization of minimum weight codewords as multiplications of conics and lines. Three years later Ballico and Ravagnani [2] using different techniques describe the minimum-weight codewords of some two-points Hermitian codes through an explicit geometric characterization of their supports.…”
Section: Comparison With the Known Resultsmentioning
confidence: 99%
“…Note that also for two-points Hermitian codes there are geometrical descriptions regarding minimum weight codewords. In particular, in 2010, using a method based on [19], Park [29] finds the minimum distance of two-points Hermitian codes and obtains a geometrical characterization of minimum weight codewords as multiplications of conics and lines. Three years later Ballico and Ravagnani [2] using different techniques describe the minimum-weight codewords of some two-points Hermitian codes through an explicit geometric characterization of their supports.…”
Section: Comparison With the Known Resultsmentioning
confidence: 99%
“…Since then, the results were extended to two-point Hermitian codes by Homma and Kim [14,15,16,17] exploiting a similar proof to [37]. After that, in 2010 Park [30], using a method based on [19], gives a short and easy proof of the same results of Homma and Kim and obtains a geometrical characterization of minimum weight codewords as multiplications of conics and lines. The description of minimum-weight codewords of some two-points Hermitian codes have been found three years later by Ballico and Ravagnani [2] using different techniques.…”
Section: Introductionmentioning
confidence: 97%
“…, m r )|: m 1 < m 2 < · · · < m r ∈Λ ≤0 }. As is well known [21,22], δ 1 is the true minimum distance of the code, and δ 2 is the true second generalized Hamming weight of the code according to Homma and Kim [23]. By Munuera's arithmetic interpretation [24], we verified that δ 3 is also the true third generalized Hamming weight, which is realized by the linear space spanned by the three codewords ev(μ 1 ) = (0, 0, 0, 0, 0, α 7 , α, 2, 0, α 7 , 0, α 6 , 1, α 3 , 0, 1, 0, 0, α 2 , 0, 0, α 7 , 0, 2, α 6 , α), ev(μ 2 ) = (0, 0, 0, 0, 0, α 7 , 2, α 5 , 0, α, 0, 2, α, α 2 , 0, 1, 0, 0, 1, 0, 0, α 3 , 0, α 6 , α 3 , 2), ev(μ 3 ) = (0, 0, 0, 0, 0, α 3 , 1, α, 0, 1, 0, α 2 , α 7 , 1, 0, α, 0, 0, α 3 , 0, 0, 1, 0, 1, α 5 , α 6 ),…”
Section: A Hermitian Codementioning
confidence: 92%