Masaaki Harada

208 papers B 2C 1Journal 197Unranked 8
YearRankTypeTitle / Venue / Authors
2026 J jnl
Double Toeplitz codes and their average weight enumerators.
CoRR
Masaaki Harada, Keito Yamaguchi
2026 J jnl
On the classification of binary LCD codes.
Adv. Math. Commun.
Masaaki Harada, Yuto Tanaka
2026 J jnl
Ternary near-extremal self-dual codes of lengths 36, 48 and 60.
Discret. Math.
Masaaki Harada
2025 J jnl
Unbiased Hadamard Matrices and Ternary Self-dual Codes.
Graphs Comb.
Masaaki Harada, Hadi Kharaghani
2025 J jnl
Unbiased weighing matrices of weight 9.
Des. Codes Cryptogr.
Makoto Araya, Masaaki Harada, Hadi Kharaghani, Sho Suda, Wei-Hsuan Yu
2024 J jnl
A method for constructing quaternary Hermitian self-dual codes and an application to quantum codes.
CoRR
Masaaki Harada
2024 J jnl
A method for constructing quaternary Hermitian self-dual codes and an application to quantum codes.
Des. Codes Cryptogr.
Masaaki Harada
2024 J jnl
Characterizations of the Minimum Weights of LCD Codes of Large Dimensions.
IEEE Trans. Inf. Theory
Makoto Araya, Masaaki Harada, Keita Ishizuka, Yuto Tanaka
2024 J jnl
Hadamard Matrices of Orders 60 and 64 with Automorphisms of Orders 29 and 31.
Electron. J. Comb.
Makoto Araya, Masaaki Harada, Vladimir D. Tonchev
2024 J jnl
Hadamard matrices of order 36 formed by codewords in some ternary self-dual codes.
Discret. Math.
Masaaki Harada, Keita Ishizuka
2024 J jnl
Improved lower bounds for self-dual codes over $ \mathbb{F}_{11} $, $ \mathbb{F}_{13} $, $ \mathbb{F}_{17} $, $ \mathbb{F}_{19} $ and $ \mathbb{F}_{23} $.
Adv. Math. Commun.
T. Aaron Gulliver, Masaaki Harada
2024 J jnl
On the classification of skew Hadamard matrices of order $\varvec{36}$ and related structures.
Des. Codes Cryptogr.
Makoto Araya, Masaaki Harada, Hadi Kharaghani, Ali Mohammadian, Behruz Tayfeh-Rezaie
2024 J jnl
On the minimum weights of quaternary Hermitian LCD codes.
Cryptogr. Commun.
Makoto Araya, Masaaki Harada
2024 J jnl
Ternary Extremal Four-Negacirculant Self-Dual Codes.
Graphs Comb.
Masaaki Harada, Keita Ishizuka, Hadi Kharaghani
2024 J jnl
Ternary near-extremal self-dual codes of lengths 36, 48 and 60.
CoRR
Masaaki Harada
2023 J jnl
Construction of extremal Type II Z2k-codes.
Finite Fields Their Appl.
Masaaki Harada
2023 J jnl
Hadamard matrices of orders 60 and 64 with automorphisms of orders 29 and 31.
CoRR
Makoto Araya, Masaaki Harada, Vladimir D. Tonchev
2023 J jnl
Hadamard matrices related to a certain series of ternary self-dual codes.
Des. Codes Cryptogr.
Makoto Araya, Masaaki Harada, Koji Momihara
2023 J jnl
Self-dual codes over F5 and
Discret. Math.
Masaaki Harada
2023 J jnl
Some restrictions on the weight enumerators of near-extremal ternary self-dual codes and quaternary Hermitian self-dual codes.
Des. Codes Cryptogr.
Makoto Araya, Masaaki Harada
2023 J jnl
Ternary extremal four-negacirculant self-dual codes.
CoRR
Masaaki Harada, Keita Ishizuka, Hadi Kharaghani
2022 J jnl
Construction of extremal Type II Z
CoRR
Masaaki Harada
2022 J jnl
Hadamard matrices related to a certain series of ternary self-dual codes.
CoRR
Makoto Araya, Masaaki Harada, Koji Momihara
2022 J jnl
On the classification of quaternary optimal Hermitian LCD codes.
Cryptogr. Commun.
Makoto Araya, Masaaki Harada
2022 J jnl
Self-dual codes over F
CoRR
Masaaki Harada
2022 J jnl
Some restrictions on the weight enumerators of near-extremal ternary self-dual codes and quaternary Hermitian self-dual codes.
CoRR
Makoto Araya, Masaaki Harada
2021 J jnl
Characterization and classification of optimal LCD codes.
Des. Codes Cryptogr.
Makoto Araya, Masaaki Harada, Ken Saito
2021 J jnl
Construction of binary LCD codes, ternary LCD codes and quaternary Hermitian LCD codes.
CoRR
Masaaki Harada
2021 J jnl
Construction of binary LCD codes, ternary LCD codes and quaternary Hermitian LCD codes.
Des. Codes Cryptogr.
Masaaki Harada
2021 J jnl
On the existence of s-extremal singly even self-dual codes.
Discret. Math. Algorithms Appl.
Masaaki Harada
2021 J jnl
On the minimum weights of binary LCD codes and ternary LCD codes.
Finite Fields Their Appl.
Makoto Araya, Masaaki Harada, Ken Saito
2020 J jnl
Construction of s-extremal optimal unimodular lattices in dimension 52.
Int. J. Comput. Math. Comput. Syst. Theory
Masaaki Harada
2020 J jnl
New doubly even self-dual codes having minimum weight 20.
Adv. Math. Commun.
Masaaki Harada
2020 J jnl
On the classification of quaternary optimal Hermitian LCD codes.
CoRR
Makoto Araya, Masaaki Harada
2020 J jnl
On the existence of s-extremal singly even self-dual codes.
CoRR
Masaaki Harada
2020 J jnl
On the minimum weights of binary linear complementary dual codes.
Cryptogr. Commun.
Makoto Araya, Masaaki Harada
2020 J jnl
Quaternary Hermitian Linear Complementary Dual Codes.
IEEE Trans. Inf. Theory
Makoto Araya, Masaaki Harada, Ken Saito
2020 J jnl
Remark on subcodes of linear complementary dual codes.
Inf. Process. Lett.
Masaaki Harada, Ken Saito
2019 J jnl
Binary linear complementary dual codes.
Cryptogr. Commun.
Masaaki Harada, Ken Saito
2019 J jnl
Characterization and classification of optimal LCD codes.
CoRR
Makoto Araya, Masaaki Harada, Ken Saito
2019 J jnl
Construction of s-extremal optimal unimodular lattices in dimension 52.
CoRR
Masaaki Harada
2019 J jnl
Existence of some optimal maximal entanglement entanglement-assisted quantum codes.
CoRR
Masaaki Harada
2019 J jnl
New doubly even self-dual codes having minimum weight 20.
CoRR
Masaaki Harada
2019 J jnl
On extremal double circulant self-dual codes of lengths 90-96.
Appl. Algebra Eng. Commun. Comput.
T. Aaron Gulliver, Masaaki Harada
2019 J jnl
On the classification of linear complementary dual codes.
Discret. Math.
Makoto Araya, Masaaki Harada
2019 J jnl
On the minimum weights of ternary linear complementary dual codes.
CoRR
Makoto Araya, Masaaki Harada
2019 J jnl
Quaternary Hermitian linear complementary dual codes.
CoRR
Makoto Araya, Masaaki Harada, Ken Saito
2019 J jnl
Remark on subcodes of linear complementary dual codes.
CoRR
Masaaki Harada, Ken Saito
2019 J jnl
Singly even self-dual codes of length 24k + 10 and minimum weight 4k + 2.
Cryptogr. Commun.
Masaaki Harada
2018 — conf
Architecture of an FPGA-Based Heterogeneous System for Code-Search Problems.
SCFA
Yuki Hiradate, Hasitha Muthumala Waidyasooriya, Masanori Hariyama, Masaaki Harada
2018 J jnl
Binary extremal self-dual codes of length 60 and related codes.
Des. Codes Cryptogr.
Masaaki Harada
2018 J jnl
Binary linear complementary dual codes.
CoRR
Masaaki Harada, Ken Saito
2018 J jnl
New quantum codes constructed from some self-dual additive F4-codes.
Inf. Process. Lett.
Masaaki Harada
2018 J jnl
New quantum codes constructed from some self-dual additive 𝑭
CoRR
Masaaki Harada
2018 J jnl
Nonexistence of Certain Singly Even Self-Dual Codes with Minimal Shadow.
Electron. J. Comb.
Stefka Bouyuklieva, Masaaki Harada, Akihiro Munemasa
2018 J jnl
On the classification of linear complementary dual codes.
CoRR
Makoto Araya, Masaaki Harada
2018 J jnl
On the minimum weights of binary linear complementary dual codes.
CoRR
Makoto Araya, Masaaki Harada
2018 J jnl
Singly even self-dual codes of length 24k+10 and minimum weight 4k+2.
CoRR
Masaaki Harada
2017 J jnl
Binary extremal self-dual codes of length $60$ and related codes.
CoRR
Masaaki Harada
2017 J jnl
Extremal Type II $\mathbb{Z}_4$-codes constructed from binary doubly even self-dual codes of length $40$.
CoRR
Masaaki Harada
2017 J jnl
Extremal Type II ℤ
Discret. Math.
Masaaki Harada
2017 J jnl
New extremal singly even self-dual codes of lengths 64 and 66.
CoRR
Damyan Anev, Masaaki Harada, Nikolay I. Yankov
2017 J jnl
New self-dual additive F
Discret. Math.
Markus Grassl, Masaaki Harada
2017 J jnl
On s-extremal singly even self-dual [24k + 8, 12k + 4, 4k + 2] codes.
Finite Fields Their Appl.
Masaaki Harada, Akihiro Munemasa
2017 J jnl
On the classification of $\mathbb{Z}_4$-codes.
CoRR
Makoto Araya, Masaaki Harada, Hiroki Ito, Ken Saito
2017 J jnl
On the classification of ℤ
Adv. Math. Commun.
Makoto Araya, Masaaki Harada, Hiroki Ito, Ken Saito
2017 J jnl
On the performance of optimal double circulant even codes.
Adv. Math. Commun.
T. Aaron Gulliver, Masaaki Harada
2017 J jnl
Performance of ternary double circulant, double twistulant, and self-dual codes.
Appl. Algebra Eng. Commun. Comput.
T. Aaron Gulliver, Masaaki Harada
2017 J jnl
Quasi-unbiased Hadamard matrices and weakly unbiased Hadamard matrices: A coding-theoretic approach.
Math. Comput.
Makoto Araya, Masaaki Harada, Sho Suda
2017 J jnl
Some restrictions on weight enumerators of singly even self-dual codes II.
CoRR
Masaaki Harada, Akihiro Munemasa
2016 J jnl
Note on the residue codes of self-dual ℤ
Adv. Math. Commun.
Masaaki Harada
2016 J jnl
On binary codes related to mutually quasi-unbiased weighing matrices.
Australas. J Comb.
Masaaki Harada, Sho Suda
2016 J jnl
On extremal double circulant self-dual codes of lengths $90$ and $92$.
CoRR
T. Aaron Gulliver, Masaaki Harada
2016 J jnl
On the classification of self-dual [20, 10, 9] codes over GF(7).
Finite Fields Their Appl.
Masaaki Harada, Akihiro Munemasa
2016 J jnl
On the performance of optimal double circulant even codes.
CoRR
T. Aaron Gulliver, Masaaki Harada
2016 J jnl
Performance of ternary double circulant, double twistulant, and self-dual codes.
CoRR
T. Aaron Gulliver, Masaaki Harada
2016 J jnl
Supplementary difference sets related to a certain class of complex spherical 2-codes.
Australas. J Comb.
Makoto Araya, Masaaki Harada, Sho Suda
2016 J jnl
The weight distribution of the self-dual $[128, 64]$ polarity design code.
CoRR
Masaaki Harada, Ethan Novak, Vladimir D. Tonchev
2016 J jnl
The weight distribution of the self-dual [128, 64] polarity design code.
Adv. Math. Commun.
Masaaki Harada, Ethan Novak, Vladimir D. Tonchev
2015 J jnl
Extremal Type I Z
IEEE Trans. Inf. Theory
Masaaki Harada
2015 J jnl
New self-dual additive $\mathbb{F}_4$-codes constructed from circulant graphs.
CoRR
Markus Grassl, Masaaki Harada
2015 J jnl
On a 5-design related to a putative extremal doubly even self-dual code of length a multiple of 24.
Des. Codes Cryptogr.
Masaaki Harada
2014 J jnl
On a 5-design related to a putative extremal doubly even self-dual code of length a multiple of 24.
CoRR
Masaaki Harada
2014 J jnl
On the classification of extremal doubly even self-dual codes with 2-transitive automorphism groups.
Des. Codes Cryptogr.
Naoki Chigira, Masaaki Harada, Masaaki Kitazume
2014 J jnl
On the existence of extremal Type II ℤ
Math. Comput.
Masaaki Harada, Tsuyoshi Miezaki
2014 J jnl
On the residue codes of self-dual Z4-codes with large minimum Lee weights.
CoRR
Masaaki Harada
2013 J jnl
On the Classification of Extremal Doubly Even Self-Dual Codes with 2-Transitive Automorphism Group
CoRR
Naoki Chigira, Masaaki Harada, Masaaki Kitazume
2013 J jnl
Some extremal self-dual codes and unimodular lattices in dimension 40.
Finite Fields Their Appl.
Stefka Bouyuklieva, Iliya Bouyukliev, Masaaki Harada
2013 J jnl
There is no [21, 5, 14] code over
Discret. Math.
Makoto Araya, Masaaki Harada
2012 J jnl
A Complete Classification of Doubly Even Self-dual Codes of Length 40.
Electron. J. Comb.
Koichi Betsumiya, Masaaki Harada, Akihiro Munemasa
2012 J jnl
Application of Bayesian Network to stock price prediction.
Artif. Intell. Res.
Eisuke Kita, Masaaki Harada, Takao Mizuno
2012 J jnl
Classification of self-dual codes of length 36.
Adv. Math. Commun.
Masaaki Harada, Akihiro Munemasa
2012 B conf
Cross-Layer adaptive power save control method for wireless local area networks.
WiMob
Hirokazu Kobayashi, Masaaki Harada, Satoshi Senga, Kazushige Yamada, Junichro Soeda, Tsutomu Sekibe
2012 J jnl
On some optimal linear codes over F5
CoRR
Makoto Araya, Masaaki Harada
2012 J jnl
Optimal self-dual Z
Finite Fields Their Appl.
Masaaki Harada
2011 J jnl
A Complete Classification of Doubly Even Self-Dual Codes of Length 40
CoRR
Masaaki Harada
2011 J jnl
An upper bound on the minimum weight of Type II Z
J. Comb. Theory A
Masaaki Harada, Tsuyoshi Miezaki
2011 J jnl
Classification of Quaternary Hermitian Self-Dual Codes of Length 20.
IEEE Trans. Inf. Theory
Masaaki Harada, Akihiro Munemasa
2011 J jnl
Hadamard matrices of order 32 and extremal ternary self-dual codes.
Des. Codes Cryptogr.
Koichi Betsumiya, Masaaki Harada, Hiroshi Kimura
2011 J jnl
On the Residue Codes of Extremal Type II Z4-Codes of Lengths 32 and 40
CoRR
Masaaki Harada
2011 J jnl
On the residue codes of extremal Type II Z
Discret. Math.
Masaaki Harada
2011 J jnl
Optimal Self-Dual Z4-Codes and a Unimodular Lattice in Dimension 41
CoRR
Masaaki Harada
2011 J jnl
Performance analysis of coded MIMO OFDM in multipath fading channel.
IEICE Electron. Express
Masaaki Harada
2011 J jnl
Some Extremal Self-Dual Codes and Unimodular Lattices in Dimension 40
CoRR
Masaaki Harada
2010 J jnl
Classification of Generalized Hadamard Matrices
Electron. J. Comb.
Masaaki Harada, Clement W. H. Lam, Akihiro Munemasa, Vladimir D. Tonchev
2010 J jnl
Classification of quaternary Hermitian self-dual codes of length 20
CoRR
Masaaki Harada, Akihiro Munemasa
2010 J jnl
Classification of self-dual codes of length 36
CoRR
Masaaki Harada, Akihiro Munemasa
2010 J jnl
Extremal Type II Z
J. Comb. Theory A
Masaaki Harada
2010 J jnl
MDS self-dual codes of lengths 16 and 18.
Int. J. Inf. Coding Theory
T. Aaron Gulliver, Masaaki Harada
2010 J jnl
Mutually Disjoint Steiner Systems
Electron. J. Comb.
Makoto Araya, Masaaki Harada
2010 J jnl
New binary singly even self-dual codes.
IEEE Trans. Inf. Theory
Masaaki Harada, Michael Kiermaier, Alfred Wassermann, Radinka Yorgova
2009 J jnl
A complete classification of ternary self-dual codes of length 24.
J. Comb. Theory A
Masaaki Harada, Akihiro Munemasa
2009 J jnl
An Upper Bound on the Minimum Weight of Type II ZZ
CoRR
Masaaki Harada, Tsuyoshi Miezaki
2009 J jnl
Classification of ternary extremal self-dual codes of length 28.
Math. Comput.
Masaaki Harada, Akihiro Munemasa, Boris Venkov
2009 J jnl
New extremal formally self-dual even codes of length 30.
Adv. Math. Commun.
Masaaki Harada, Katsushi Waki
2009 C conf
On the Classification of Self-dual -Codes.
IMACC
Masaaki Harada, Akihiro Munemasa
2009 J jnl
There exists no self-dual [24, 12, 10] code over \mathbb
Des. Codes Cryptogr.
Masaaki Harada, Akihiro Munemasa
2008 J jnl
An Extremal Doubly Even Self-Dual Code of Length 112.
Electron. J. Comb.
Masaaki Harada
2008 J jnl
Determination of weight enumerators of binary extremal self-dual [42, 21, 8] codes.
Finite Fields Their Appl.
Stefka Bouyuklieva, Masaaki Harada, Akihiro Munemasa
2008 J jnl
New Nonbinary Self-Dual Codes.
IEEE Trans. Inf. Theory
T. Aaron Gulliver, Masaaki Harada
2008 J jnl
On doubly circulant doubly even self-dual [72, 36, 12] codes.
Australas. J Comb.
T. Aaron Gulliver, Masaaki Harada
2008 J jnl
Performance Analysis of
IEICE Trans. Commun.
Masaaki Harada, Keiji Taniguchi
2008 J jnl
There exists no self-dual [24,12,10] code over F5
CoRR
Masaaki Harada, Akihiro Munemasa
2007 J jnl
An extremal singly even self-dual code of length 88.
Adv. Math. Commun.
Masaaki Harada, Takuji Nishimura
2007 J jnl
Double circulant and quasi-twisted self-dual codes over F
Adv. Math. Commun.
T. Aaron Gulliver, Masaaki Harada, Hiroki Miyabayashi
2007 J jnl
Extremal Ternary Self-Dual Codes Constructed from Negacirculant Matrices.
Graphs Comb.
Masaaki Harada, Wolf H. Holzmann, Hadi Kharaghani, M. Khorvash
2007 J jnl
Extremal self-dual codes of length 64 through neighbors and covering radii.
Des. Codes Cryptogr.
Naoki Chigira, Masaaki Harada, Masaaki Kitazume
2007 J jnl
On the covering radii of extremal doubly even self-dual codes.
Adv. Math. Commun.
Masaaki Harada, Akihiro Munemasa
2007 J jnl
Optimal double circulant self-dual codes over 𝔽
Australas. J Comb.
T. Aaron Gulliver, Masaaki Harada, Hiroki Miyabayashi
2007 J jnl
Performance Improvement of
IEICE Trans. Commun.
Hiroaki Nakazima, Masaaki Harada
2006 J jnl
Classification of extremal double circulant self-dual codes of lengths 74-88.
Discret. Math.
T. Aaron Gulliver, Masaaki Harada
2006 J jnl
Orthogonal designs and MDS self-dual codes.
Australas. J Comb.
Masaaki Harada, Hadi Kharaghani
2006 J jnl
Self-Orthogonal 3-(56, 12, 65) Designs and Extremal Doubly-Even Self-Dual Codes of Length 56.
Des. Codes Cryptogr.
Masaaki Harada
2006 J jnl
Some restrictions on weight enumerators of singly even self-dual codes.
IEEE Trans. Inf. Theory
Masaaki Harada, Akihiro Munemasa
2005 J jnl
Near-Extremal Formally Self-Dual Even Codes of Lengths 24 and 32.
Des. Codes Cryptogr.
T. Aaron Gulliver, Masaaki Harada, Takuji Nishimura, Patric R. J. Östergård
2005 J jnl
On some self-dual codes and unimodular lattices in dimension 48.
Eur. J. Comb.
Masaaki Harada, Masaaki Kitazume, Akihiro Munemasa, Boris Venkov
2005 J jnl
Remark on a 5-Design Related to a Putative Extremal Doubly-Even Self-Dual [96, 48, 20] Code.
Des. Codes Cryptogr.
Masaaki Harada
2005 J jnl
Symmetric (4,4)-Nets and Generalized Hadamard Matrices Over Groups of Order 4.
Des. Codes Cryptogr.
Masaaki Harada, Clement W. H. Lam, Vladimir D. Tonchev
2004 J jnl
Erratum to "Construction of new extremal self-dual codes" [Discrete Mathematics 263 (2003) 81-91].
Discret. Math.
T. Aaron Gulliver, Masaaki Harada, Jon-Lark Kim
2004 J jnl
Extremal self-dual [40, 20, 8] codes with covering radius 7.
Finite Fields Their Appl.
Masaaki Harada, Akihiro Munemasa, Kenichiro Tanabe
2004 J jnl
MDS codes over F
Discret. Math.
Makoto Araya, Masaaki Harada
2004 J jnl
On a 5-design related to an extremal doubly even self-dual code of length 72.
J. Comb. Theory A
Masaaki Harada, Masaaki Kitazume, Akihiro Munemasa
2004 J jnl
On the Covering Radius of Ternary Extremal Self-Dual Codes.
Des. Codes Cryptogr.
Masaaki Harada, Michio Ozeki, Kenichiro Tanabe
2004 J jnl
On the Minimum Weight of Codes over F
Des. Codes Cryptogr.
T. Aaron Gulliver, Masaaki Harada
2004 J jnl
Optimal self-dual codes over F
IEEE Trans. Inf. Theory
Koichi Betsumiya, Masaaki Harada
2003 J jnl
Construction of new extremal self-dual codes.
Discret. Math.
T. Aaron Gulliver, Masaaki Harada, Jon-Lark Kim
2003 J jnl
Extremal Self-Dual Codes over F
Des. Codes Cryptogr.
Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada
2003 J jnl
Extremal Self-Dual [50, 25, 10] Codes with Automorphisms of Order 3 and Quasi-Symmetric 2-(49, 9, 6) Designs.
Des. Codes Cryptogr.
Stefka Bouyuklieva, Masaaki Harada
2003 J jnl
Formally Self-Dual Codes Related to Type II Codes.
Appl. Algebra Eng. Commun. Comput.
Koichi Betsumiya, Masaaki Harada
2003 J jnl
On self-dual codes over some prime fields.
Discret. Math.
Koichi Betsumiya, Stelios Georgiou, T. Aaron Gulliver, Masaaki Harada, Christos Koukouvinos
2003 J jnl
On the Classification of Self-Dual Codes over F
Graphs Comb.
Masaaki Harada, Patric R. J. Östergård
2003 J jnl
Performance Improvement for Coded OFDM Systems with Adaptive Interleaving in Frequency Selective Fading Channel.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masaaki Harada, Takaya Yamazato, Hiraku Okada, Masaaki Katayama, Akira Ogawa
2003 J jnl
Self-orthogonal Codes from Symmetric Designs with Fixed-point-free Auto-morphisms.
Discret. Math.
Masaaki Harada, Vladimir D. Tonchev
2003 J jnl
Some Extremal Self-Dual Codes with an Automorphism of Order 7.
Appl. Algebra Eng. Commun. Comput.
Radinka Dontcheva, Masaaki Harada
2002 J jnl
Classification of Extremal Formally Self-Dual Even Codes of Length 22.
Graphs Comb.
Masaaki Harada, Patric R. J. Östergård
2002 J jnl
New extremal self-dual codes of length 62 and related extremal self-dual codes.
IEEE Trans. Inf. Theory
Radinka Dontcheva, Masaaki Harada
2002 J jnl
On Type IV self-dual codes over Z
Discret. Math.
Stefka Bouyuklieva, Masaaki Harada
2002 J jnl
Orthogonal Designs and Type II Codes over Z2k.
Des. Codes Cryptogr.
Stelios Georgiou, Masaaki Harada, Christos Koukouvinos
2002 J jnl
Self-dual Z
Discret. Math.
Masaaki Harada
2002 J jnl
Self-dual and maximal self-orthogonal codes over F
Discret. Math.
Masaaki Harada, Patric R. J. Östergård
2002 J jnl
Z
Eur. J. Comb.
Masaaki Harada, Masaaki Kitazume
2001 J jnl
An extremal ternary self-dual [28, 14, 9] code with a trivial automorphism group.
Discret. Math.
Masaaki Harada
2001 J jnl
Binary Optimal Odd Formally Self-Dual Codes.
Des. Codes Cryptogr.
Koichi Betsumiya, Masaaki Harada
2001 J jnl
Classification of Formally Self-Dual Even Codes of Lengths up to 16.
Des. Codes Cryptogr.
Koichi Betsumiya, Masaaki Harada
2001 J jnl
Codes over and Improvements to the Bounds on Ternary Linear Codes.
Des. Codes Cryptogr.
T. Aaron Gulliver, Masaaki Harada
2001 J jnl
Note on the g-fold Joint Weight Enumerators of Self-Dual Codes over Z
Appl. Algebra Eng. Commun. Comput.
Steven T. Dougherty, Masaaki Harada, Manabu Oura
2001 J jnl
On type II codes over F
IEEE Trans. Inf. Theory
Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada, Akihiro Munemasa
2001 — conf
Optimal Double Circulant Z
AAECC
T. Aaron Gulliver, Masaaki Harada
2001 J jnl
Orthogonal Frames in the Leech Lattice and a Type II Code over
J. Comb. Theory A
T. Aaron Gulliver, Masaaki Harada
2001 — conf
Type II Codes over F
AAECC
Koichi Betsumiya, Masaaki Harada, Akihiro Munemasa
2000 J jnl
Double Circulant Self-Dual Codes over GF(5).
Ars Comb.
T. Aaron Gulliver, Masaaki Harada
2000 J jnl
Extremal self-dual codes with the smallest covering radius.
Discret. Math.
Masaaki Harada, Michio Ozeki
2000 B conf
OFDM systems with multiple trellis coded modulation.
PIMRC
Masaaki Harada, Takaya Yamazato, Masaaki Katayama, Akira Ogawa
2000 J jnl
On the existence of extremal Type II codes over Z
Discret. Math.
Masaaki Harada
2000 J jnl
Optimal Formally Self-Dual Codes over F
Appl. Algebra Eng. Commun. Comput.
Steven T. Dougherty, T. Aaron Gulliver, Masaaki Harada
2000 J jnl
Shadow lattices and shadow codes.
Discret. Math.
Steven T. Dougherty, Masaaki Harada, Patrick Solé
1999 J jnl
An Optimal Unimodular Lattice in Dimension 39.
J. Comb. Theory A
T. Aaron Gulliver, Masaaki Harada
1999 — conf
Binary Optimal Linear Rate 1/2 Codes.
AAECC
Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada
1999 J jnl
Codes of Lengths 120 and 136 Meeting the Grey-Rankin Bound and Quasi-Symmetric Designs.
IEEE Trans. Inf. Theory
T. Aaron Gulliver, Masaaki Harada
1999 J jnl
Construction of Extremal Type II Codes over Z.
Des. Codes Cryptogr.
Philippe Gaborit, Masaaki Harada
1999 J jnl
Construction of an Extremal Self-Dual Code of Length 62.
IEEE Trans. Inf. Theory
Masaaki Harada
1999 J jnl
Construction of optimal Type IV self-dual codes over F
IEEE Trans. Inf. Theory
T. Aaron Gulliver, Masaaki Harada
1999 J jnl
Extremal double circulant Type II codes over Z
Discret. Math.
T. Aaron Gulliver, Masaaki Harada
1999 J jnl
New Optimal Self-Dual Codes over GF(7).
Graphs Comb.
T. Aaron Gulliver, Masaaki Harada
1999 J jnl
New extremal self-dual codes of length 68.
IEEE Trans. Inf. Theory
Steven T. Dougherty, Masaaki Harada
1999 J jnl
New extremal self-dual codes of lengths 36 and 38.
IEEE Trans. Inf. Theory
Masaaki Harada
1999 J jnl
Niemeier lattices and Type II codes over Z
Discret. Math.
Alexis Bonnecaze, Philippe Gaborit, Masaaki Harada, Masaaki Kitazume, Patrick Solé
1999 J jnl
On the covering radius of Z
IEEE Trans. Inf. Theory
Toru Aoki, Philippe Gaborit, Masaaki Harada, Michio Ozeki, Patrick Solé
1999 J jnl
Optimal ternary formally self-dual codes.
Discret. Math.
Steven T. Dougherty, T. Aaron Gulliver, Masaaki Harada
1999 J jnl
Type II Codes Over F
IEEE Trans. Inf. Theory
Steven T. Dougherty, Philippe Gaborit, Masaaki Harada, Patrick Solé
1999 J jnl
Type II Codes, Even Unimodular Lattices, and Invariant Rings.
IEEE Trans. Inf. Theory
Eiichi Bannai, Steven T. Dougherty, Masaaki Harada, Manabu Oura
1999 J jnl
Type IV self-dual codes over rings.
IEEE Trans. Inf. Theory
Steven T. Dougherty, Philippe Gaborit, Masaaki Harada, Akihiro Munemasa, Patrick Solé
1998 J jnl
Classification of Extremal Double Circulant Self-Dual Codes of Lengths 64 to 72.
Des. Codes Cryptogr.
T. Aaron Gulliver, Masaaki Harada
1998 J jnl
Classification of extremal double-circulant self-dual codes of length up to 62.
Discret. Math.
Masaaki Harada, T. Aaron Gulliver, Hitoshi Kaneta
1998 J jnl
Double Circulant Self-Dual Codes Over Z
IEEE Trans. Inf. Theory
T. Aaron Gulliver, Masaaki Harada
1998 J jnl
New Extremal Type II Codes over Z
Des. Codes Cryptogr.
Masaaki Harada
1998 J jnl
New extremal ternary self-dual codes.
Australas. J Comb.
Masaaki Harada
1997 — conf
Certain Self-Dual Codes over Z
AAECC
T. Aaron Gulliver, Masaaki Harada
1997 J jnl
Classification of Extremal Double Circulant Formally Self-Dual Even Codes.
Des. Codes Cryptogr.
T. Aaron Gulliver, Masaaki Harada
1997 J jnl
Extremal binary self-dual codes.
IEEE Trans. Inf. Theory
Steven T. Dougherty, T. Aaron Gulliver, Masaaki Harada
1997 J jnl
Weighing Matrics and Self-Dual Codes.
Ars Comb.
Masaaki Harada
1997 J jnl
Weight Enumerators of Double Circulant Codes and New Extremal Self-Dual Codes.
Des. Codes Cryptogr.
T. Aaron Gulliver, Masaaki Harada
1996 J jnl
Existence of New Extremal Doubly-Even Codes and Extremal Singly-Even Codes.
Des. Codes Cryptogr.
Masaaki Harada
1996 — conf
Forward propagation universal learning network.
ICNN
Kotaro Hirasawa, Masanao Ohbayashi, Masaru Koga, Masaaki Harada
1996 — conf
Robust learning control using universal learning network.
ICNN
Masanao Ohbayashi, Kotaro Hirasawa, Junichi Murata, Masaaki Harada
1996 J jnl
Weight enumerators of extremal singly-even [60, 30, 12] codes.
IEEE Trans. Inf. Theory
T. Aaron Gulliver, Masaaki Harada
1995 J jnl
New Extremal Doubly-Even [64, 32, 12] Codes.
Des. Codes Cryptogr.
Masaaki Harada, Hiroshi Kimura
1995 — conf
Singly-Even Self-Dual Codes and Hadamard Matrices.
AAECC
Masaaki Harada, Vladimir D. Tonchev