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pro vyhledávání: '"Masaaki HARADA"'
Autor:
Makoto Araya, Masaaki Harada
Publikováno v:
Cryptography and Communications. 14:833-847
We propose a method for a classification of quaternary Hermitian LCD codes having large minimum weights. As an example, we give a classification of quaternary optimal Hermitian LCD codes of dimension 3.
Autor:
Masaaki Harada
Publikováno v:
Designs, Codes and Cryptography. 89:2295-2312
We give two methods for constructing many linear complementary dual (LCD for short) codes from a given LCD code, by modifying some known methods for constructing self-dual codes. Using the methods, we construct binary LCD codes and quaternary Hermiti
Autor:
Masaaki Harada
Publikováno v:
Finite Fields and Their Applications. 87:102154
Autor:
Masaaki Harada
Publikováno v:
Advances in Mathematics of Communications. 14:89-96
In this note, we construct new doubly even self-dual codes having minimum weight $20$ for lengths $112$, $120$ and $128$. This implies that there are at least three inequivalent extremal doubly even self-dual codes of length $112$.
Comment: 12 p
Comment: 12 p
Autor:
T. Aaron Gulliver, Masaaki Harada
Publikováno v:
Advances in Mathematics of Communications.
We construct self-dual codes over \begin{document}$ \mathbb{F}_{11} $\end{document}, \begin{document}$ \mathbb{F}_{13} $\end{document}, \begin{document}$ \mathbb{F}_{17} $\end{document}, \begin{document}$ \mathbb{F}_{19} $\end{document} and \begin{do
Autor:
Masaaki Harada, Makoto Araya
We give restrictions on the weight enumerators of ternary near-extremal self-dual codes of length divisible by $12$ and quaternary near-extremal Hermitian self-dual codes of length divisible by $6$. We consider the weight enumerators for which there
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::182f1c84a887102fbfb117b26aa4f97c
Autor:
Masaaki Harada
Publikováno v:
Discrete Mathematics. 346:113126
Autor:
T. Aaron Gulliver, Masaaki Harada
Publikováno v:
Applicable Algebra in Engineering, Communication and Computing. 30:403-415
A classification of extremal double circulant self-dual codes of lengths up to 88 is known. We extend this classification to length 96. We give a classification of extremal double circulant self-dual codes of lengths 90, 92, 94 and 96. We also classi
Autor:
Masafumi Takahashi, Masaaki Harada, Eiji Ikeda, Toshihisa Yamano, Masatoshi Kuroda, Shoji Takagi
Publikováno v:
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association). 80:1475-1480
Autor:
Masaaki HARADA1 mharada@m.tohoku.ac.jp, Akihiro MUNEMASA1
Publikováno v:
Interdisciplinary Information Sciences. 2018, Vol. 24 Issue 1, p77-85. 9p.