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2020 – today
- 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, Ser. 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, Ser. 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, Ser. 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]