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Masaaki Harada
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2020 – today
- 2024
- [j143]Makoto Araya, Masaaki Harada, Vladimir D. Tonchev:
Hadamard Matrices of Orders 60 and 64 with Automorphisms of Orders 29 and 31. Electron. J. Comb. 31(1) (2024) - [j142]Masaaki Harada, Keita Ishizuka:
Hadamard matrices of order 36 formed by codewords in some ternary self-dual codes. Discret. Math. 347(1): 113661 (2024) - [j141]Masaaki Harada, Keita Ishizuka
, Hadi Kharaghani:
Ternary Extremal Four-Negacirculant Self-Dual Codes. Graphs Comb. 40(3): 59 (2024) - [i44]Masaaki Harada:
A method for constructing quaternary Hermitian self-dual codes and an application to quantum codes. CoRR abs/2401.15265 (2024) - 2023
- [j140]Makoto Araya, Masaaki Harada, Koji Momihara:
Hadamard matrices related to a certain series of ternary self-dual codes. Des. Codes Cryptogr. 91(3): 795-805 (2023) - [j139]Makoto Araya
, Masaaki Harada
:
Some restrictions on the weight enumerators of near-extremal ternary self-dual codes and quaternary Hermitian self-dual codes. Des. Codes Cryptogr. 91(5): 1813-1843 (2023) - [j138]Masaaki Harada:
Self-dual codes over F5 and s-extremal unimodular lattices. Discret. Math. 346(1): 113126 (2023) - [j137]Masaaki Harada:
Construction of extremal Type II Z2k-codes. Finite Fields Their Appl. 87: 102154 (2023) - [i43]Masaaki Harada, Keita Ishizuka, Hadi Kharaghani:
Ternary extremal four-negacirculant self-dual codes. CoRR abs/2306.10451 (2023) - [i42]Makoto Araya, Masaaki Harada, Vladimir D. Tonchev:
Hadamard matrices of orders 60 and 64 with automorphisms of orders 29 and 31. CoRR abs/2307.08983 (2023) - 2022
- [j136]Makoto Araya
, Masaaki Harada:
On the classification of quaternary optimal Hermitian LCD codes. Cryptogr. Commun. 14(4): 833-847 (2022) - [i41]Masaaki Harada:
Construction of extremal Type II Z2k-codes. CoRR abs/2201.01439 (2022) - [i40]Makoto Araya, Masaaki Harada, Koji Momihara:
Hadamard matrices related to a certain series of ternary self-dual codes. CoRR abs/2205.15498 (2022) - [i39]Masaaki Harada:
Self-dual codes over F5 and s-extremal unimodular lattices. CoRR abs/2208.03617 (2022) - [i38]Makoto Araya, Masaaki Harada:
Some restrictions on the weight enumerators of near-extremal ternary self-dual codes and quaternary Hermitian self-dual codes. CoRR abs/2212.01080 (2022) - 2021
- [j135]Makoto Araya, Masaaki Harada, Ken Saito:
Characterization and classification of optimal LCD codes. Des. Codes Cryptogr. 89(4): 617-640 (2021) - [j134]Masaaki Harada:
Construction of binary LCD codes, ternary LCD codes and quaternary Hermitian LCD codes. Des. Codes Cryptogr. 89(10): 2295-2312 (2021) - [j133]Masaaki Harada:
On the existence of s-extremal singly even self-dual codes. Discret. Math. Algorithms Appl. 13(2): 2150014:1-2150014:14 (2021) - [j132]Makoto Araya, Masaaki Harada, Ken Saito:
On the minimum weights of binary LCD codes and ternary LCD codes. Finite Fields Their Appl. 76: 101925 (2021) - [i37]Masaaki Harada:
Construction of binary LCD codes, ternary LCD codes and quaternary Hermitian LCD codes. CoRR abs/2101.11821 (2021) - 2020
- [j131]Masaaki Harada:
New doubly even self-dual codes having minimum weight 20. Adv. Math. Commun. 14(1): 89-96 (2020) - [j130]Makoto Araya, Masaaki Harada:
On the minimum weights of binary linear complementary dual codes. Cryptogr. Commun. 12(2): 285-300 (2020) - [j129]Masaaki Harada:
Construction of s-extremal optimal unimodular lattices in dimension 52. Int. J. Comput. Math. Comput. Syst. Theory 5(2): 87-91 (2020) - [j128]Masaaki Harada, Ken Saito:
Remark on subcodes of linear complementary dual codes. Inf. Process. Lett. 159-160: 105963 (2020) - [j127]Makoto Araya
, Masaaki Harada
, Ken Saito:
Quaternary Hermitian Linear Complementary Dual Codes. IEEE Trans. Inf. Theory 66(5): 2751-2759 (2020) - [i36]Masaaki Harada:
On the existence of s-extremal singly even self-dual codes. CoRR abs/2004.05330 (2020) - [i35]Makoto Araya, Masaaki Harada:
On the classification of quaternary optimal Hermitian LCD codes. CoRR abs/2011.04139 (2020)
2010 – 2019
- 2019
- [j126]T. Aaron Gulliver, Masaaki Harada:
On extremal double circulant self-dual codes of lengths 90-96. Appl. Algebra Eng. Commun. Comput. 30(5): 403-415 (2019) - [j125]Masaaki Harada:
Singly even self-dual codes of length 24k + 10 and minimum weight 4k + 2. Cryptogr. Commun. 11(4): 597-608 (2019) - [j124]Masaaki Harada, Ken Saito:
Binary linear complementary dual codes. Cryptogr. Commun. 11(4): 677-696 (2019) - [j123]Makoto Araya, Masaaki Harada:
On the classification of linear complementary dual codes. Discret. Math. 342(1): 270-278 (2019) - [i34]Masaaki Harada:
New doubly even self-dual codes having minimum weight 20. CoRR abs/1902.08739 (2019) - [i33]Makoto Araya, Masaaki Harada, Ken Saito:
Quaternary Hermitian linear complementary dual codes. CoRR abs/1904.07517 (2019) - [i32]Masaaki Harada:
Existence of some optimal maximal entanglement entanglement-assisted quantum codes. CoRR abs/1908.00244 (2019) - [i31]Makoto Araya, Masaaki Harada, Ken Saito:
Characterization and classification of optimal LCD codes. CoRR abs/1908.03294 (2019) - [i30]Makoto Araya, Masaaki Harada:
On the minimum weights of ternary linear complementary dual codes. CoRR abs/1908.08661 (2019) - [i29]Masaaki Harada, Ken Saito:
Remark on subcodes of linear complementary dual codes. CoRR abs/1908.08662 (2019) - [i28]Masaaki Harada:
Construction of s-extremal optimal unimodular lattices in dimension 52. CoRR abs/1912.02358 (2019) - 2018
- [j122]Stefka Bouyuklieva, Masaaki Harada, Akihiro Munemasa:
Nonexistence of Certain Singly Even Self-Dual Codes with Minimal Shadow. Electron. J. Comb. 25(1): 1 (2018) - [j121]Masaaki Harada:
Binary extremal self-dual codes of length 60 and related codes. Des. Codes Cryptogr. 86(5): 1085-1094 (2018) - [j120]Masaaki Harada:
New quantum codes constructed from some self-dual additive F4-codes. Inf. Process. Lett. 138: 35-38 (2018) - [c11]Yuki Hiradate, Hasitha Muthumala Waidyasooriya
, Masanori Hariyama, Masaaki Harada:
Architecture of an FPGA-Based Heterogeneous System for Code-Search Problems. SCFA 2018: 146-155 - [i27]Masaaki Harada, Ken Saito:
Binary linear complementary dual codes. CoRR abs/1802.06985 (2018) - [i26]Makoto Araya, Masaaki Harada:
On the classification of linear complementary dual codes. CoRR abs/1803.11335 (2018) - [i25]Masaaki Harada:
Singly even self-dual codes of length 24k+10 and minimum weight 4k+2. CoRR abs/1804.02129 (2018) - [i24]Masaaki Harada:
New quantum codes constructed from some self-dual additive 𝑭4-codes. CoRR abs/1805.12229 (2018) - [i23]Makoto Araya, Masaaki Harada:
On the minimum weights of binary linear complementary dual codes. CoRR abs/1807.03525 (2018) - 2017
- [j119]T. Aaron Gulliver, Masaaki Harada:
Performance of ternary double circulant, double twistulant, and self-dual codes. Appl. Algebra Eng. Commun. Comput. 28(5): 409-424 (2017) - [j118]Makoto Araya, Masaaki Harada, Hiroki Ito, Ken Saito:
On the classification of ℤ4-codes. Adv. Math. Commun. 11(4): 747-756 (2017) - [j117]T. Aaron Gulliver, Masaaki Harada:
On the performance of optimal double circulant even codes. Adv. Math. Commun. 11(4): 767-775 (2017) - [j116]Markus Grassl
, Masaaki Harada:
New self-dual additive F4-codes constructed from circulant graphs. Discret. Math. 340(3): 399-403 (2017) - [j115]Masaaki Harada:
Extremal Type II ℤ4-codes constructed from binary doubly even self-dual codes of length 40. Discret. Math. 340(10): 2466-2468 (2017) - [j114]Masaaki Harada, Akihiro Munemasa:
On s-extremal singly even self-dual [24k + 8, 12k + 4, 4k + 2] codes. Finite Fields Their Appl. 48: 306-317 (2017) - [j113]Makoto Araya, Masaaki Harada, Sho Suda:
Quasi-unbiased Hadamard matrices and weakly unbiased Hadamard matrices: A coding-theoretic approach. Math. Comput. 86(304): 951-984 (2017) - [i22]Masaaki Harada:
Binary extremal self-dual codes of length $60$ and related codes. CoRR abs/1706.01694 (2017) - [i21]Masaaki Harada:
Extremal Type II $\mathbb{Z}_4$-codes constructed from binary doubly even self-dual codes of length $40$. CoRR abs/1706.03218 (2017) - [i20]Masaaki Harada, Akihiro Munemasa:
Some restrictions on weight enumerators of singly even self-dual codes II. CoRR abs/1706.03429 (2017) - [i19]Makoto Araya, Masaaki Harada, Hiroki Ito, Ken Saito:
On the classification of $\mathbb{Z}_4$-codes. CoRR abs/1707.01356 (2017) - [i18]Damyan Anev, Masaaki Harada, Nikolay I. Yankov:
New extremal singly even self-dual codes of lengths 64 and 66. CoRR abs/1708.05950 (2017) - 2016
- [j112]Makoto Araya, Masaaki Harada, Sho Suda:
Supplementary difference sets related to a certain class of complex spherical 2-codes. Australas. J Comb. 65: 71-83 (2016) - [j111]Masaaki Harada, Sho Suda:
On binary codes related to mutually quasi-unbiased weighing matrices. Australas. J Comb. 66: 10-22 (2016) - [j110]Masaaki Harada, Ethan Novak, Vladimir D. Tonchev
:
The weight distribution of the self-dual [128, 64] polarity design code. Adv. Math. Commun. 10(3): 643-648 (2016) - [j109]Masaaki Harada:
Note on the residue codes of self-dual ℤ4-codes having large minimum Lee weights. Adv. Math. Commun. 10(4): 695-706 (2016) - [j108]Masaaki Harada, Akihiro Munemasa:
On the classification of self-dual [20, 10, 9] codes over GF(7). Finite Fields Their Appl. 42: 57-66 (2016) - [i17]T. Aaron Gulliver, Masaaki Harada:
On extremal double circulant self-dual codes of lengths $90$ and $92$. CoRR abs/1601.07343 (2016) - [i16]Masaaki Harada, Ethan Novak, Vladimir D. Tonchev:
The weight distribution of the self-dual $[128, 64]$ polarity design code. CoRR abs/1602.04661 (2016) - [i15]T. Aaron Gulliver, Masaaki Harada:
On the performance of optimal double circulant even codes. CoRR abs/1604.06878 (2016) - [i14]T. Aaron Gulliver, Masaaki Harada:
Performance of ternary double circulant, double twistulant, and self-dual codes. CoRR abs/1609.01809 (2016) - 2015
- [j107]Masaaki Harada:
On a 5-design related to a putative extremal doubly even self-dual code of length a multiple of 24. Des. Codes Cryptogr. 76(3): 373-384 (2015) - [j106]Masaaki Harada:
Extremal Type I Zk-Codes and k-Frames of Odd Unimodular Lattices. IEEE Trans. Inf. Theory 61(1): 72-81 (2015) - [i13]Markus Grassl, Masaaki Harada:
New self-dual additive $\mathbb{F}_4$-codes constructed from circulant graphs. CoRR abs/1509.04846 (2015) - 2014
- [j105]Naoki Chigira, Masaaki Harada, Masaaki Kitazume:
On the classification of extremal doubly even self-dual codes with 2-transitive automorphism groups. Des. Codes Cryptogr. 73(1): 33-35 (2014) - [j104]Masaaki Harada, Tsuyoshi Miezaki:
On the existence of extremal Type II ℤ2k-codes. Math. Comput. 83(287): 1427-1446 (2014) - [i12]Masaaki Harada:
On the residue codes of self-dual Z4-codes with large minimum Lee weights. CoRR abs/1401.6252 (2014) - [i11]Masaaki Harada:
On a 5-design related to a putative extremal doubly even self-dual code of length a multiple of 24. CoRR abs/1401.6254 (2014) - 2013
- [j103]Makoto Araya, Masaaki Harada:
There is no [21, 5, 14] code over F5. Discret. Math. 313(24): 2872-2874 (2013) - [j102]Stefka Bouyuklieva
, Iliya Bouyukliev
, Masaaki Harada:
Some extremal self-dual codes and unimodular lattices in dimension 40. Finite Fields Their Appl. 21: 67-83 (2013) - [i10]Naoki Chigira, Masaaki Harada, Masaaki Kitazume:
On the Classification of Extremal Doubly Even Self-Dual Codes with 2-Transitive Automorphism Group. CoRR abs/1302.1626 (2013) - 2012
- [j101]Eisuke Kita, Masaaki Harada, Takao Mizuno:
Application of Bayesian Network to stock price prediction. Artif. Intell. Res. 1(2): 171-184 (2012) - [j100]Masaaki Harada, Akihiro Munemasa:
Classification of self-dual codes of length 36. Adv. Math. Commun. 6(2): 229-235 (2012) - [j99]Koichi Betsumiya, Masaaki Harada, Akihiro Munemasa:
A Complete Classification of Doubly Even Self-dual Codes of Length 40. Electron. J. Comb. 19(3): 18 (2012) - [j98]Masaaki Harada:
Optimal self-dual Z4-codes and a unimodular lattice in dimension 41. Finite Fields Their Appl. 18(3): 529-536 (2012) - [c10]Hirokazu Kobayashi, Masaaki Harada, Satoshi Senga, Kazushige Yamada, Junichro Soeda, Tsutomu Sekibe:
Cross-Layer adaptive power save control method for wireless local area networks. WiMob 2012: 815-822 - [i9]Makoto Araya, Masaaki Harada:
On some optimal linear codes over F5. CoRR abs/1205.5141 (2012) - 2011
- [j97]Koichi Betsumiya, Masaaki Harada, Hiroshi Kimura:
Hadamard matrices of order 32 and extremal ternary self-dual codes. Des. Codes Cryptogr. 58(2): 203-214 (2011) - [j96]Masaaki Harada:
On the residue codes of extremal Type II Z4-codes of lengths 32 and 40. Discret. Math. 311(20): 2148-2157 (2011) - [j95]Masaaki Harada:
Performance analysis of coded MIMO OFDM in multipath fading channel. IEICE Electron. Express 8(19): 1596-1601 (2011) - [j94]Masaaki Harada, Tsuyoshi Miezaki:
An upper bound on the minimum weight of Type II Z2k-codes. J. Comb. Theory A 118(1): 190-196 (2011) - [j93]Masaaki Harada, Akihiro Munemasa:
Classification of Quaternary Hermitian Self-Dual Codes of Length 20. IEEE Trans. Inf. Theory 57(6): 3758-3762 (2011) - [i8]Masaaki Harada:
A Complete Classification of Doubly Even Self-Dual Codes of Length 40. CoRR abs/1104.3727 (2011) - [i7]Masaaki Harada:
On the Residue Codes of Extremal Type II Z4-Codes of Lengths 32 and 40. CoRR abs/1104.3925 (2011) - [i6]Masaaki Harada:
Some Extremal Self-Dual Codes and Unimodular Lattices in Dimension 40. CoRR abs/1111.2637 (2011) - [i5]Masaaki Harada:
Optimal Self-Dual Z4-Codes and a Unimodular Lattice in Dimension 41. CoRR abs/1111.3420 (2011) - 2010
- [j92]Makoto Araya, Masaaki Harada:
Mutually Disjoint Steiner Systems S(5, 8, 24) and 5-(24,12,48) Designs. Electron. J. Comb. 17(1) (2010) - [j91]Masaaki Harada, Clement W. H. Lam, Akihiro Munemasa, Vladimir D. Tonchev:
Classification of Generalized Hadamard Matrices H(6,3) and Quaternary Hermitian Self-Dual Codes of Length 18. Electron. J. Comb. 17(1) (2010) - [j90]T. Aaron Gulliver, Masaaki Harada:
MDS self-dual codes of lengths 16 and 18. Int. J. Inf. Coding Theory 1(2): 208-213 (2010) - [j89]Masaaki Harada:
Extremal Type II Z4-codes of lengths 56 and 64. J. Comb. Theory A 117(8): 1285-1288 (2010) - [j88]Masaaki Harada, Michael Kiermaier, Alfred Wassermann, Radinka Yorgova:
New binary singly even self-dual codes. IEEE Trans. Inf. Theory 56(4): 1612-1617 (2010) - [i4]Masaaki Harada, Akihiro Munemasa:
Classification of quaternary Hermitian self-dual codes of length 20. CoRR abs/1012.0898 (2010) - [i3]Masaaki Harada, Akihiro Munemasa:
Classification of self-dual codes of length 36. CoRR abs/1012.5464 (2010)
2000 – 2009
- 2009
- [j87]Masaaki Harada, Katsushi Waki:
New extremal formally self-dual even codes of length 30. Adv. Math. Commun. 3(4): 311-316 (2009) - [j86]Masaaki Harada, Akihiro Munemasa:
There exists no self-dual [24, 12, 10] code over \mathbb F5{{\mathbb F}_5}. Des. Codes Cryptogr. 52(1): 125-127 (2009) - [j85]Masaaki Harada, Akihiro Munemasa:
A complete classification of ternary self-dual codes of length 24. J. Comb. Theory A 116(5): 1063-1072 (2009) - [j84]Masaaki Harada, Akihiro Munemasa, Boris Venkov:
Classification of ternary extremal self-dual codes of length 28. Math. Comput. 78(267): 1787-1796 (2009) - [c9]Masaaki Harada, Akihiro Munemasa:
On the Classification of Self-dual -Codes. IMACC 2009: 78-90 - [i2]Masaaki Harada, Tsuyoshi Miezaki:
An Upper Bound on the Minimum Weight of Type II ZZ2k-Codes. CoRR abs/0906.5023 (2009) - 2008
- [j83]T. Aaron Gulliver, Masaaki Harada:
On doubly circulant doubly even self-dual [72, 36, 12] codes. Australas. J Comb. 40: 137-144 (2008) - [j82]Masaaki Harada:
An Extremal Doubly Even Self-Dual Code of Length 112. Electron. J. Comb. 15(1) (2008) - [j81]Stefka Bouyuklieva
, Masaaki Harada, Akihiro Munemasa:
Determination of weight enumerators of binary extremal self-dual [42, 21, 8] codes. Finite Fields Their Appl. 14(1): 177-187 (2008) - [j80]Masaaki Harada, Keiji Taniguchi:
Performance Analysis of M-ary Orthogonal Code Shift Keying in Fading Channels. IEICE Trans. Commun. 91-B(2): 673-676 (2008) - [j79]T. Aaron Gulliver, Masaaki Harada:
New Nonbinary Self-Dual Codes. IEEE Trans. Inf. Theory 54(1): 415-417 (2008) - [i1]Masaaki Harada, Akihiro Munemasa:
There exists no self-dual [24,12,10] code over F5. CoRR abs/0809.0733 (2008) - 2007
- [j78]T. Aaron Gulliver, Masaaki Harada, Hiroki Miyabayashi:
Optimal double circulant self-dual codes over 𝔽4 II. Australas. J Comb. 39: 163-174 (2007) - [j77]T. Aaron Gulliver, Masaaki Harada, Hiroki Miyabayashi:
Double circulant and quasi-twisted self-dual codes over F5 and F7. Adv. Math. Commun. 1(2): 223-238 (2007) - [j76]Masaaki Harada, Akihiro Munemasa:
On the covering radii of extremal doubly even self-dual codes. Adv. Math. Commun. 1(2): 251-256 (2007) - [j75]Masaaki Harada, Takuji Nishimura:
An extremal singly even self-dual code of length 88. Adv. Math. Commun. 1(2): 261-267 (2007) - [j74]Naoki Chigira, Masaaki Harada, Masaaki Kitazume:
Extremal self-dual codes of length 64 through neighbors and covering radii. Des. Codes Cryptogr. 42(1): 93-101 (2007) - [j73]Masaaki Harada, Wolf H. Holzmann, Hadi Kharaghani, M. Khorvash:
Extremal Ternary Self-Dual Codes Constructed from Negacirculant Matrices. Graphs Comb. 23(4): 401-417 (2007) - [j72]Hiroaki Nakazima, Masaaki Harada:
Performance Improvement of M-ary CSK by Using a Code Set Having Low Auto- and Cross-Correlation Properties in Multipath Fading Channels. IEICE Trans. Commun. 90-B(6): 1532-1534 (2007) - 2006
- [j71]Masaaki Harada, Hadi Kharaghani:
Orthogonal designs and MDS self-dual codes. Australas. J Comb. 35: 57-68 (2006) - [j70]Masaaki Harada:
Self-Orthogonal 3-(56, 12, 65) Designs and Extremal Doubly-Even Self-Dual Codes of Length 56. Des. Codes Cryptogr. 38(1): 5-16 (2006) - [j69]T. Aaron Gulliver, Masaaki Harada:
Classification of extremal double circulant self-dual codes of lengths 74-88. Discret. Math. 306(17): 2064-2072 (2006) - [j68]Masaaki Harada, Akihiro Munemasa:
Some restrictions on weight enumerators of singly even self-dual codes. IEEE Trans. Inf. Theory 52(3): 1266-1269 (2006) - 2005
- [j67]Masaaki Harada, Clement W. H. Lam, Vladimir D. Tonchev
:
Symmetric (4,4)-Nets and Generalized Hadamard Matrices Over Groups of Order 4. Des. Codes Cryptogr. 34(1): 71-87 (2005) - [j66]Masaaki Harada:
Remark on a 5-Design Related to a Putative Extremal Doubly-Even Self-Dual [96, 48, 20] Code. Des. Codes Cryptogr. 37(2): 355-358 (2005) - [j65]T. Aaron Gulliver, Masaaki Harada, Takuji Nishimura, Patric R. J. Östergård:
Near-Extremal Formally Self-Dual Even Codes of Lengths 24 and 32. Des. Codes Cryptogr. 37(3): 465-471 (2005) - [j64]Masaaki Harada, Masaaki Kitazume, Akihiro Munemasa, Boris Venkov:
On some self-dual codes and unimodular lattices in dimension 48. Eur. J. Comb. 26(5): 543-557 (2005) - 2004
- [j63]T. Aaron Gulliver, Masaaki Harada:
On the Minimum Weight of Codes over F5 Constructed from Certain Conference Matrices. Des. Codes Cryptogr. 31(2): 139-145 (2004) - [j62]Masaaki Harada, Michio Ozeki, Kenichiro Tanabe
:
On the Covering Radius of Ternary Extremal Self-Dual Codes. Des. Codes Cryptogr. 33(2): 149-158 (2004) - [j61]Makoto Araya, Masaaki Harada:
MDS codes over F9 related to the ternary Golay code. Discret. Math. 282(1-3): 233-237 (2004) - [j60]T. Aaron Gulliver, Masaaki Harada, Jon-Lark Kim:
Erratum to "Construction of new extremal self-dual codes" [Discrete Mathematics 263 (2003) 81-91]. Discret. Math. 289(1-3): 207- (2004) - [j59]Masaaki Harada, Akihiro Munemasa, Kenichiro Tanabe
:
Extremal self-dual [40, 20, 8] codes with covering radius 7. Finite Fields Their Appl. 10(2): 183-197 (2004) - [j58]Masaaki Harada, Masaaki Kitazume, Akihiro Munemasa:
On a 5-design related to an extremal doubly even self-dual code of length 72. J. Comb. Theory A 107(1): 143-146 (2004) - [j57]Koichi Betsumiya, Masaaki Harada:
Optimal self-dual codes over F2*F2 with respect to the Hamming weight. IEEE Trans. Inf. Theory 50(2): 356-358 (2004) - 2003
- [j56]Radinka Dontcheva, Masaaki Harada:
Some Extremal Self-Dual Codes with an Automorphism of Order 7. Appl. Algebra Eng. Commun. Comput. 14(2): 75-79 (2003) - [j55]Koichi Betsumiya, Masaaki Harada:
Formally Self-Dual Codes Related to Type II Codes. Appl. Algebra Eng. Commun. Comput. 14(2): 81-88 (2003) - [j54]Stefka Bouyuklieva, Masaaki Harada:
Extremal Self-Dual [50, 25, 10] Codes with Automorphisms of Order 3 and Quasi-Symmetric 2-(49, 9, 6) Designs. Des. Codes Cryptogr. 28(2): 163-169 (2003) - [j53]Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada:
Extremal Self-Dual Codes over F2 × F2. Des. Codes Cryptogr. 28(2): 171-186 (2003) - [j52]Koichi Betsumiya, Stelios Georgiou
, T. Aaron Gulliver, Masaaki Harada, Christos Koukouvinos:
On self-dual codes over some prime fields. Discret. Math. 262(1-3): 37-58 (2003) - [j51]T. Aaron Gulliver, Masaaki Harada, Jon-Lark Kim:
Construction of new extremal self-dual codes. Discret. Math. 263(1-3): 81-91 (2003) - [j50]Masaaki Harada, Vladimir D. Tonchev
:
Self-orthogonal Codes from Symmetric Designs with Fixed-point-free Auto-morphisms. Discret. Math. 264(1-3): 81-90 (2003) - [j49]Masaaki Harada, Patric R. J. Östergård:
On the Classification of Self-Dual Codes over F5. Graphs Comb. 19(2): 203-214 (2003) - [j48]Masaaki Harada, Takaya Yamazato, Hiraku Okada, Masaaki Katayama, Akira Ogawa:
Performance Improvement for Coded OFDM Systems with Adaptive Interleaving in Frequency Selective Fading Channel. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 86-A(6): 1541-1549 (2003) - 2002
- [j47]Stelios Georgiou, Masaaki Harada, Christos Koukouvinos:
Orthogonal Designs and Type II Codes over Z2k. Des. Codes Cryptogr. 25(2): 163-174 (2002) - [j46]Masaaki Harada:
Self-dual Z4-codes and Hadamard matrices. Discret. Math. 245(1-3): 273-278 (2002) - [j45]Stefka Bouyuklieva, Masaaki Harada:
On Type IV self-dual codes over Z4. Discret. Math. 247(1-3): 25-50 (2002) - [j44]Masaaki Harada, Patric R. J. Östergård:
Self-dual and maximal self-orthogonal codes over F7. Discret. Math. 256(1-2): 471-477 (2002) - [j43]Masaaki Harada, Masaaki Kitazume:
Z6-Code Constructions of the Leech Lattice and the Niemeier Lattices. Eur. J. Comb. 23(5): 573-581 (2002) - [j42]Masaaki Harada, Patric R. J. Östergård:
Classification of Extremal Formally Self-Dual Even Codes of Length 22. Graphs Comb. 18(3): 507-516 (2002) - [j41]Radinka Dontcheva, Masaaki Harada:
New extremal self-dual codes of length 62 and related extremal self-dual codes. IEEE Trans. Inf. Theory 48(7): 2060-2064 (2002) - 2001
- [j40]Steven T. Dougherty, Masaaki Harada, Manabu Oura:
Note on the g-fold Joint Weight Enumerators of Self-Dual Codes over Zk. Appl. Algebra Eng. Commun. Comput. 11(6): 437-445 (2001) - [j39]T. Aaron Gulliver, Masaaki Harada:
Codes over and Improvements to the Bounds on Ternary Linear Codes. Des. Codes Cryptogr. 22(1): 89-96 (2001) - [j38]Koichi Betsumiya, Masaaki Harada:
Binary Optimal Odd Formally Self-Dual Codes. Des. Codes Cryptogr. 23(1): 11-22 (2001) - [j37]Koichi Betsumiya, Masaaki Harada:
Classification of Formally Self-Dual Even Codes of Lengths up to 16. Des. Codes Cryptogr. 23(3): 325-332 (2001) - [j36]Masaaki Harada:
An extremal ternary self-dual [28, 14, 9] code with a trivial automorphism group. Discret. Math. 239(1-3): 121-125 (2001) - [j35]T. Aaron Gulliver, Masaaki Harada:
Orthogonal Frames in the Leech Lattice and a Type II Code over Integer 22. J. Comb. Theory A 95(1): 185-188 (2001) - [j34]Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada, Akihiro Munemasa:
On type II codes over F4. IEEE Trans. Inf. Theory 47(6): 2242-2248 (2001) - [c8]Koichi Betsumiya, Masaaki Harada, Akihiro Munemasa:
Type II Codes over F2r. AAECC 2001: 102-111 - [c7]T. Aaron Gulliver, Masaaki Harada:
Optimal Double Circulant Z4-Codes. AAECC 2001: 122-128 - 2000
- [j33]Steven T. Dougherty, T. Aaron Gulliver, Masaaki Harada:
Optimal Formally Self-Dual Codes over F5 and F7. Appl. Algebra Eng. Commun. Comput. 10(3): 227-236 (2000) - [j32]T. Aaron Gulliver, Masaaki Harada:
Double Circulant Self-Dual Codes over GF(5). Ars Comb. 56 (2000) - [j31]Masaaki Harada, Michio Ozeki:
Extremal self-dual codes with the smallest covering radius. Discret. Math. 215: 271-281 (2000) - [j30]Steven T. Dougherty, Masaaki Harada, Patrick Solé:
Shadow lattices and shadow codes. Discret. Math. 219(1-3): 49-64 (2000) - [j29]Masaaki Harada:
On the existence of extremal Type II codes over Z6. Discret. Math. 223(1-3): 373-378 (2000) - [j28]Masaaki Harada, Masaaki Kitazume:
Z4-Code Constructions for the Niemeier Lattices and their Embeddings in the Leech Lattice. Eur. J. Comb. 21(4): 473-485 (2000) - [c6]Masaaki Harada, Takaya Yamazato, Masaaki Katayama, Akira Ogawa:
OFDM systems with multiple trellis coded modulation. PIMRC 2000: 814-818
1990 – 1999
- 1999
- [j27]Philippe Gaborit, Masaaki Harada:
Construction of Extremal Type II Codes over Z. Des. Codes Cryptogr. 16(3): 257-269 (1999) - [j26]T. Aaron Gulliver, Masaaki Harada:
Extremal double circulant Type II codes over Z4 and construction of 5-(24, 10, 36) designs. Discret. Math. 194(1-3): 129-137 (1999) - [j25]Steven T. Dougherty, T. Aaron Gulliver, Masaaki Harada:
Optimal ternary formally self-dual codes. Discret. Math. 196(1-3): 117-135 (1999) - [j24]Alexis Bonnecaze, Philippe Gaborit, Masaaki Harada, Masaaki Kitazume, Patrick Solé:
Niemeier lattices and Type II codes over Z4. Discret. Math. 205(1-3): 1-21 (1999) - [j23]T. Aaron Gulliver, Masaaki Harada:
New Optimal Self-Dual Codes over GF(7). Graphs Comb. 15(2): 175-186 (1999) - [j22]T. Aaron Gulliver, Masaaki Harada:
An Optimal Unimodular Lattice in Dimension 39. J. Comb. Theory A 88(1): 158-161 (1999) - [j21]Steven T. Dougherty, Philippe Gaborit, Masaaki Harada, Patrick Solé:
Type II Codes Over F2 + u F2. IEEE Trans. Inf. Theory 45(1): 32-45 (1999) - [j20]T. Aaron Gulliver, Masaaki Harada:
Codes of Lengths 120 and 136 Meeting the Grey-Rankin Bound and Quasi-Symmetric Designs. IEEE Trans. Inf. Theory 45(2): 703-706 (1999) - [j19]Eiichi Bannai, Steven T. Dougherty, Masaaki Harada, Manabu Oura:
Type II Codes, Even Unimodular Lattices, and Invariant Rings. IEEE Trans. Inf. Theory 45(4): 1194-1205 (1999) - [j18]Masaaki Harada:
Construction of an Extremal Self-Dual Code of Length 62. IEEE Trans. Inf. Theory 45(4): 1232-1233 (1999) - [j17]Steven T. Dougherty, Masaaki Harada:
New extremal self-dual codes of length 68. IEEE Trans. Inf. Theory 45(6): 2133-2136 (1999) - [j16]Toru Aoki, Philippe Gaborit, Masaaki Harada, Michio Ozeki, Patrick Solé:
On the covering radius of Z4-codes and their lattices. IEEE Trans. Inf. Theory 45(6): 2162-2168 (1999) - [j15]Steven T. Dougherty, Philippe Gaborit, Masaaki Harada, Akihiro Munemasa, Patrick Solé:
Type IV self-dual codes over rings. IEEE Trans. Inf. Theory 45(7): 2345-2360 (1999) - [j14]T. Aaron Gulliver, Masaaki Harada:
Construction of optimal Type IV self-dual codes over F2+µF2. IEEE Trans. Inf. Theory 45(7): 2520-2521 (1999) - [j13]Masaaki Harada:
New extremal self-dual codes of lengths 36 and 38. IEEE Trans. Inf. Theory 45(7): 2541-2543 (1999) - [c5]Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada:
Binary Optimal Linear Rate 1/2 Codes. AAECC 1999: 462-471 - 1998
- [j12]Masaaki Harada:
New extremal ternary self-dual codes. Australas. J Comb. 17: 133-146 (1998) - [j11]T. Aaron Gulliver, Masaaki Harada:
Classification of Extremal Double Circulant Self-Dual Codes of Lengths 64 to 72. Des. Codes Cryptogr. 13(3): 257-269 (1998) - [j10]Masaaki Harada:
New Extremal Type II Codes over Z4. Des. Codes Cryptogr. 13(3): 271-284 (1998) - [j9]Masaaki Harada, T. Aaron Gulliver, Hitoshi Kaneta:
Classification of extremal double-circulant self-dual codes of length up to 62. Discret. Math. 188(1-3): 127-136 (1998) - [j8]T. Aaron Gulliver, Masaaki Harada:
Double Circulant Self-Dual Codes Over Z2k. IEEE Trans. Inf. Theory 44(7): 3105-3123 (1998) - 1997
- [j7]Masaaki Harada:
Weighing Matrics and Self-Dual Codes. Ars Comb. 47 (1997) - [j6]T. Aaron Gulliver, Masaaki Harada:
Classification of Extremal Double Circulant Formally Self-Dual Even Codes. Des. Codes Cryptogr. 11(1): 23-35 (1997) - [j5]T. Aaron Gulliver, Masaaki Harada:
Weight Enumerators of Double Circulant Codes and New Extremal Self-Dual Codes. Des. Codes Cryptogr. 11(2): 141-150 (1997) - [j4]Steven T. Dougherty, T. Aaron Gulliver, Masaaki Harada:
Extremal binary self-dual codes. IEEE Trans. Inf. Theory 43(6): 2036-2047 (1997) - [c4]T. Aaron Gulliver, Masaaki Harada:
Certain Self-Dual Codes over Z4 and the Odd Leech Lattice. AAECC 1997: 130-137 - 1996
- [j3]Masaaki Harada:
Existence of New Extremal Doubly-Even Codes and Extremal Singly-Even Codes. Des. Codes Cryptogr. 8(3): 273-283 (1996) - [j2]T. Aaron Gulliver, Masaaki Harada:
Weight enumerators of extremal singly-even [60, 30, 12] codes. IEEE Trans. Inf. Theory 42(2): 658-659 (1996) - [c3]Kotaro Hirasawa, Masanao Ohbayashi, Masaru Koga, Masaaki Harada:
Forward propagation universal learning network. ICNN 1996: 353-358 - [c2]Masanao Ohbayashi, Kotaro Hirasawa, Junichi Murata, Masaaki Harada:
Robust learning control using universal learning network. ICNN 1996: 2208-2213 - 1995
- [j1]Masaaki Harada, Hiroshi Kimura:
New Extremal Doubly-Even [64, 32, 12] Codes. Des. Codes Cryptogr. 6(2): 91-96 (1995) - [c1]Masaaki Harada, Vladimir D. Tonchev:
Singly-Even Self-Dual Codes and Hadamard Matrices. AAECC 1995: 279-284
Coauthor Index
![](https://dblp.uni-trier.de/img/cog.dark.24x24.png)
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