Masaaki Harada

	2012
102		Masaaki Harada: Optimal self-dual Z4-codes and a unimodular lattice in dimension 41. Finite Fields and Their Applications 18(3): 529-536 (2012)
	2011
101		Masaaki Harada: A Complete Classification of Doubly Even Self-Dual Codes of Length 40 CoRR abs/1104.3727: (2011)
100		Masaaki Harada: On the Residue Codes of Extremal Type II Z4-Codes of Lengths 32 and 40 CoRR abs/1104.3925: (2011)
99		Masaaki Harada: Some Extremal Self-Dual Codes and Unimodular Lattices in Dimension 40 CoRR abs/1111.2637: (2011)
98		Masaaki Harada: Optimal Self-Dual Z4-Codes and a Unimodular Lattice in Dimension 41 CoRR abs/1111.3420: (2011)
97		Koichi Betsumiya, Masaaki Harada, Hiroshi Kimura: Hadamard matrices of order 32 and extremal ternary self-dual codes. Des. Codes Cryptography 58(2): 203-214 (2011)
96		Masaaki Harada: On the residue codes of extremal Type II Z4-codes of lengths 32 and 40. Discrete Mathematics 311(20): 2148-2157 (2011)
95		Masaaki Harada, Akihiro Munemasa: Classification of Quaternary Hermitian Self-Dual Codes of Length 20. IEEE Transactions on Information Theory 57(6): 3758-3762 (2011)
94		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)
	2010
93		Masaaki Harada, Akihiro Munemasa: Classification of quaternary Hermitian self-dual codes of length 20 CoRR abs/1012.0898: (2010)
92		Masaaki Harada, Akihiro Munemasa: Classification of self-dual codes of length 36 CoRR abs/1012.5464: (2010)
91		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. Electr. J. Comb. 17(1): (2010)
90		Makoto Araya, Masaaki Harada: Mutually Disjoint Steiner Systems S(5, 8, 24) and 5-(24,12,48) Designs. Electr. J. Comb. 17(1): (2010)
89		Masaaki Harada, Michael Kiermaier, Alfred Wassermann, Radinka Yorgova: New binary singly even self-dual codes. IEEE Transactions on Information Theory 56(4): 1612-1617 (2010)
88		T. Aaron Gulliver, Masaaki Harada: MDS self-dual codes of lengths 16 and 18. IJICoT 1(2): 208-213 (2010)
87		Masaaki Harada: Extremal Type II Z4-codes of lengths 56 and 64. J. Comb. Theory, Ser. A 117(8): 1285-1288 (2010)
	2009
86		Masaaki Harada, Akihiro Munemasa: On the Classification of Self-dual -Codes. IMA Int. Conf. 2009: 78-90
85		Masaaki Harada, Tsuyoshi Miezaki: An Upper Bound on the Minimum Weight of Type II ZZ2k-Codes CoRR abs/0906.5023: (2009)
84		Masaaki Harada, Akihiro Munemasa: There exists no self-dual [24, 12, 10] code over \mathbb F5{{\mathbb F}_5}. Des. Codes Cryptography 52(1): 125-127 (2009)
83		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)
82		Masaaki Harada, Akihiro Munemasa, Boris Venkov: Classification of ternary extremal self-dual codes of length 28. Math. Comput. 78(267): 1787-1796 (2009)
	2008
81		Masaaki Harada, Akihiro Munemasa: There exists no self-dual [24,12,10] code over F5 CoRR abs/0809.0733: (2008)
80		Masaaki Harada: An Extremal Doubly Even Self-Dual Code of Length 112. Electr. J. Comb. 15(1): (2008)
79		Stefka Bouyuklieva, Masaaki Harada, Akihiro Munemasa: Determination of weight enumerators of binary extremal self-dual [42, 21, 8] codes. Finite Fields and Their Applications 14(1): 177-187 (2008)
78		T. Aaron Gulliver, Masaaki Harada: New Nonbinary Self-Dual Codes. IEEE Transactions on Information Theory 54(1): 415-417 (2008)
77		Masaaki Harada, Keiji Taniguchi: Performance Analysis of M-ary Orthogonal Code Shift Keying in Fading Channels. IEICE Transactions 91-B(2): 673-676 (2008)
	2007
76		Naoki Chigira, Masaaki Harada, Masaaki Kitazume: Extremal self-dual codes of length 64 through neighbors and covering radii. Des. Codes Cryptography 42(1): 93-101 (2007)
75		Masaaki Harada, Wolf H. Holzmann, Hadi Kharaghani, M. Khorvash: Extremal Ternary Self-Dual Codes Constructed from Negacirculant Matrices. Graphs and Combinatorics 23(4): 401-417 (2007)
74		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 Transactions 90-B(6): 1532-1534 (2007)
	2006
73		Masaaki Harada: Self-Orthogonal 3-(56, 12, 65) Designs and Extremal Doubly-Even Self-Dual Codes of Length 56. Des. Codes Cryptography 38(1): 5-16 (2006)
72		T. Aaron Gulliver, Masaaki Harada: Classification of extremal double circulant self-dual codes of lengths 74-88. Discrete Mathematics 306(17): 2064-2072 (2006)
71		Masaaki Harada, Akihiro Munemasa: Some restrictions on weight enumerators of singly even self-dual codes. IEEE Transactions on Information Theory 52(3): 1266-1269 (2006)
	2005
70		Masaaki Harada, Clement W. H. Lam, Vladimir D. Tonchev: Symmetric (4,4)-Nets and Generalized Hadamard Matrices Over Groups of Order 4. Des. Codes Cryptography 34(1): 71-87 (2005)
69		Masaaki Harada: Remark on a 5-Design Related to a Putative Extremal Doubly-Even Self-Dual [96, 48, 20] Code. Des. Codes Cryptography 37(2): 355-358 (2005)
68		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 Cryptography 37(3): 465-471 (2005)
67		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
66		T. Aaron Gulliver, Masaaki Harada: On the Minimum Weight of Codes over F5 Constructed from Certain Conference Matrices. Des. Codes Cryptography 31(2): 139-145 (2004)
65		Masaaki Harada, Michio Ozeki, Kenichiro Tanabe: On the Covering Radius of Ternary Extremal Self-Dual Codes. Des. Codes Cryptography 33(2): 149-158 (2004)
64		Makoto Araya, Masaaki Harada: MDS codes over F9 related to the ternary Golay code. Discrete Mathematics 282(1-3): 233-237 (2004)
63		T. Aaron Gulliver, Masaaki Harada, Jon-Lark Kim: Erratum to "Construction of new extremal self-dual codes" [Discrete Mathematics 263 (2003) 81-91]. Discrete Mathematics 289(1-3): 207- (2004)
62		Masaaki Harada, Akihiro Munemasa, Kenichiro Tanabe: Extremal self-dual [40, 20, 8] codes with covering radius 7. Finite Fields and Their Applications 10(2): 183-197 (2004)
61		Koichi Betsumiya, Masaaki Harada: Optimal self-dual codes over F2*F2 with respect to the Hamming weight. IEEE Transactions on Information Theory 50(2): 356-358 (2004)
60		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, Ser. A 107(1): 143-146 (2004)
	2003
59		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)
58		Koichi Betsumiya, Masaaki Harada: Formally Self-Dual Codes Related to Type II Codes. Appl. Algebra Eng. Commun. Comput. 14(2): 81-88 (2003)
57		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 Cryptography 28(2): 163-169 (2003)
56		Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada: Extremal Self-Dual Codes over F2 × F2. Des. Codes Cryptography 28(2): 171-186 (2003)
55		Koichi Betsumiya, Stelios Georgiou, T. Aaron Gulliver, Masaaki Harada, Christos Koukouvinos: On self-dual codes over some prime fields. Discrete Mathematics 262(1-3): 37-58 (2003)
54		T. Aaron Gulliver, Masaaki Harada, Jon-Lark Kim: Construction of new extremal self-dual codes. Discrete Mathematics 263(1-3): 81-91 (2003)
53		Masaaki Harada, Vladimir D. Tonchev: Self-orthogonal Codes from Symmetric Designs with Fixed-point-free Auto-morphisms. Discrete Mathematics 264(1-3): 81-90 (2003)
52		Masaaki Harada, Patric R. J. Östergård: On the Classification of Self-Dual Codes over F5. Graphs and Combinatorics 19(2): 203-214 (2003)
	2002
51		Stelios Georgiou, Masaaki Harada, Christos Koukouvinos: Orthogonal Designs and Type II Codes over Z2k. Des. Codes Cryptography 25(2): 163-174 (2002)
50		Masaaki Harada: Self-dual Z4-codes and Hadamard matrices. Discrete Mathematics 245(1-3): 273-278 (2002)
49		Stefka Bouyuklieva, Masaaki Harada: On Type IV self-dual codes over Z4. Discrete Mathematics 247(1-3): 25-50 (2002)
48		Masaaki Harada, Patric R. J. Östergård: Self-dual and maximal self-orthogonal codes over F7. Discrete Mathematics 256(1-2): 471-477 (2002)
47		Masaaki Harada, Masaaki Kitazume: Z6-Code Constructions of the Leech Lattice and the Niemeier Lattices. Eur. J. Comb. 23(5): 573-581 (2002)
46		Masaaki Harada, Patric R. J. Östergård: Classification of Extremal Formally Self-Dual Even Codes of Length 22. Graphs and Combinatorics 18(3): 507-516 (2002)
45		Radinka Dontcheva, Masaaki Harada: New extremal self-dual codes of length 62 and related extremal self-dual codes. IEEE Transactions on Information Theory 48(7): 2060-2064 (2002)
	2001
44		Koichi Betsumiya, Masaaki Harada, Akihiro Munemasa: Type II Codes over F2r. AAECC 2001: 102-111
43		T. Aaron Gulliver, Masaaki Harada: Optimal Double Circulant Z4-Codes. AAECC 2001: 122-128
42		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)
41		T. Aaron Gulliver, Masaaki Harada: Codes over and Improvements to the Bounds on Ternary Linear Codes. Des. Codes Cryptography 22(1): 89-96 (2001)
40		Koichi Betsumiya, Masaaki Harada: Binary Optimal Odd Formally Self-Dual Codes. Des. Codes Cryptography 23(1): 11-22 (2001)
39		Koichi Betsumiya, Masaaki Harada: Classification of Formally Self-Dual Even Codes of Lengths up to 16. Des. Codes Cryptography 23(3): 325-332 (2001)
38		Masaaki Harada: An extremal ternary self-dual [28, 14, 9] code with a trivial automorphism group. Discrete Mathematics 239(1-3): 121-125 (2001)
37		Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada, Akihiro Munemasa: On type II codes over F4. IEEE Transactions on Information Theory 47(6): 2242-2248 (2001)
36		T. Aaron Gulliver, Masaaki Harada: Orthogonal Frames in the Leech Lattice and a Type II Code over Integer 22. J. Comb. Theory, Ser. A 95(1): 185-188 (2001)
	2000
35		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)
34		T. Aaron Gulliver, Masaaki Harada: Double Circulant Self-Dual Codes over GF(5). Ars Comb. 56: (2000)
33		Masaaki Harada, Michio Ozeki: Extremal self-dual codes with the smallest covering radius. Discrete Mathematics 215: 271-281 (2000)
32		Steven T. Dougherty, Masaaki Harada, Patrick Solé: Shadow lattices and shadow codes. Discrete Mathematics 219(1-3): 49-64 (2000)
31		Masaaki Harada: On the existence of extremal Type II codes over Z6. Discrete Mathematics 223(1-3): 373-378 (2000)
30		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)
	1999
29		Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada: Binary Optimal Linear Rate 1/2 Codes. AAECC 1999: 462-471
28		Philippe Gaborit, Masaaki Harada: Construction of Extremal Type II Codes over Z. Des. Codes Cryptography 16(3): 257-269 (1999)
27		T. Aaron Gulliver, Masaaki Harada: Extremal double circulant Type II codes over Z4 and construction of 5-(24, 10, 36) designs. Discrete Mathematics 194(1-3): 129-137 (1999)
26		Steven T. Dougherty, T. Aaron Gulliver, Masaaki Harada: Optimal ternary formally self-dual codes. Discrete Mathematics 196(1-3): 117-135 (1999)
25		Alexis Bonnecaze, Philippe Gaborit, Masaaki Harada, Masaaki Kitazume, Patrick Solé: Niemeier lattices and Type II codes over Z4. Discrete Mathematics 205(1-3): 1-21 (1999)
24		T. Aaron Gulliver, Masaaki Harada: New Optimal Self-Dual Codes over GF(7). Graphs and Combinatorics 15(2): 175-186 (1999)
23		Steven T. Dougherty, Philippe Gaborit, Masaaki Harada, Patrick Solé: Type II Codes Over F2 + u F2. IEEE Transactions on Information Theory 45(1): 32-45 (1999)
22		T. Aaron Gulliver, Masaaki Harada: Codes of Lengths 120 and 136 Meeting the Grey-Rankin Bound and Quasi-Symmetric Designs. IEEE Transactions on Information Theory 45(2): 703-706 (1999)
21		Eiichi Bannai, Steven T. Dougherty, Masaaki Harada, Manabu Oura: Type II Codes, Even Unimodular Lattices, and Invariant Rings. IEEE Transactions on Information Theory 45(4): 1194-1205 (1999)
20		Masaaki Harada: Construction of an Extremal Self-Dual Code of Length 62. IEEE Transactions on Information Theory 45(4): 1232-1233 (1999)
19		Steven T. Dougherty, Masaaki Harada: New extremal self-dual codes of length 68. IEEE Transactions on Information Theory 45(6): 2133-2136 (1999)
18		Toru Aoki, Philippe Gaborit, Masaaki Harada, Michio Ozeki, Patrick Solé: On the covering radius of Z4-codes and their lattices. IEEE Transactions on Information Theory 45(6): 2162-2168 (1999)
17		Steven T. Dougherty, Philippe Gaborit, Masaaki Harada, Akihiro Munemasa, Patrick Solé: Type IV self-dual codes over rings. IEEE Transactions on Information Theory 45(7): 2345-2360 (1999)
16		T. Aaron Gulliver, Masaaki Harada: Construction of optimal Type IV self-dual codes over F2+µF2. IEEE Transactions on Information Theory 45(7): 2520-2521 (1999)
15		Masaaki Harada: New extremal self-dual codes of lengths 36 and 38. IEEE Transactions on Information Theory 45(7): 2541-2543 (1999)
14		T. Aaron Gulliver, Masaaki Harada: An Optimal Unimodular Lattice in Dimension 39. J. Comb. Theory, Ser. A 88(1): 158-161 (1999)
	1998
13		T. Aaron Gulliver, Masaaki Harada: Classification of Extremal Double Circulant Self-Dual Codes of Lengths 64 to 72. Des. Codes Cryptography 13(3): 257-269 (1998)
12		Masaaki Harada: New Extremal Type II Codes over Z4. Des. Codes Cryptography 13(3): 271-284 (1998)
11		Masaaki Harada, T. Aaron Gulliver, Hitoshi Kaneta: Classification of extremal double-circulant self-dual codes of length up to 62. Discrete Mathematics 188(1-3): 127-136 (1998)
10		T. Aaron Gulliver, Masaaki Harada: Double Circulant Self-Dual Codes Over Z2k. IEEE Transactions on Information Theory 44(7): 3105-3123 (1998)
	1997
9		T. Aaron Gulliver, Masaaki Harada: Certain Self-Dual Codes over Z4 and the Odd Leech Lattice. AAECC 1997: 130-137
8		Masaaki Harada: Weighing Matrics and Self-Dual Codes. Ars Comb. 47: (1997)
7		T. Aaron Gulliver, Masaaki Harada: Classification of Extremal Double Circulant Formally Self-Dual Even Codes. Des. Codes Cryptography 11(1): 23-35 (1997)
6		T. Aaron Gulliver, Masaaki Harada: Weight Enumerators of Double Circulant Codes and New Extremal Self-Dual Codes. Des. Codes Cryptography 11(2): 141-150 (1997)
5		Steven T. Dougherty, T. Aaron Gulliver, Masaaki Harada: Extremal binary self-dual codes. IEEE Transactions on Information Theory 43(6): 2036-2047 (1997)
	1996
4		Masaaki Harada: Existence of New Extremal Doubly-Even Codes and Extremal Singly-Even Codes. Des. Codes Cryptography 8(3): 273-283 (1996)
3		T. Aaron Gulliver, Masaaki Harada: Weight enumerators of extremal singly-even [60, 30, 12] codes. IEEE Transactions on Information Theory 42(2): 658-659 (1996)
	1995
2		Masaaki Harada, Vladimir D. Tonchev: Singly-Even Self-Dual Codes and Hadamard Matrices. AAECC 1995: 279-284
1		Masaaki Harada, Hiroshi Kimura: New Extremal Doubly-Even [64, 32, 12] Codes. Des. Codes Cryptography 6(2): 91-96 (1995)

Coauthor Index

1	Toru Aoki	[18]
2	Makoto Araya	[64] [90]
3	Eiichi Bannai	[21]
4	Koichi Betsumiya	[29] [37] [39] [40] [44] [55] [56] [58] [61] [97]
5	Alexis Bonnecaze	[25]
6	Stefka Bouyuklieva	[49] [57] [79]
7	Naoki Chigira	[76]
8	Radinka Dontcheva	[45] [59]
9	Steven T. Dougherty	[5] [17] [19] [21] [23] [26] [32] [35] [42]
10	Philippe Gaborit	[17] [18] [23] [25] [28]
11	Stelios Georgiou	[51] [55]
12	T. Aaron Gulliver	[3] [5] [6] [7] [9] [10] [11] [13] [14] [16] [22] [24] [26] [27] [29] [34] [35] [36] [37] [41] [43] [54] [55] [56] [63] [66] [68] [72] [78] [88]
13	Wolf H. Holzmann	[75]
14	Hitoshi Kaneta	[11]
15	Hadi Kharaghani	[75]
16	M. Khorvash	[75]
17	Michael Kiermaier	[89]
18	Jon-Lark Kim	[54] [63]
19	Hiroshi Kimura	[1] [97]
20	Masaaki Kitazume	[25] [30] [47] [60] [67] [76]
21	Christos Koukouvinos	[51] [55]
22	Clement W. H. Lam (Clement Wing Hong Lam)	[70] [91]
23	Tsuyoshi Miezaki	[85] [94]
24	Akihiro Munemasa	[17] [37] [44] [60] [62] [67] [71] [79] [81] [82] [83] [84] [86] [91] [92] [93] [95]
25	Hiroaki Nakazima	[74]
26	Takuji Nishimura	[68]
27	Patric R. J. Östergård	[46] [48] [52] [68]
28	Manabu Oura	[21] [42]
29	Michio Ozeki	[18] [33] [65]
30	Patrick Solé	[17] [18] [23] [25] [32]
31	Kenichiro Tanabe	[62] [65]
32	Keiji Taniguchi	[77]
33	Vladimir D. Tonchev	[2] [53] [70] [91]
34	Boris Venkov	[67] [82]
35	Alfred Wassermann	[89]
36	Radinka Yorgova	[89]

Colors in the list of coauthors

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