HARADA Masaaki

J-GLOBAL         Last updated: Dec 1, 2018 at 21:47
 
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Name
HARADA Masaaki
URL
http://db.tohoku.ac.jp/whois/e_detail/03d15765e55b458e977dd4df07514f11.html
Affiliation
Tohoku University
Section
Graduate School of Information Sciences Department of System Information Sciences Mathematical System Analysis Mathematical System Analysis I
Job title
Professor
Research funding number
90292408

Research Areas

 
 

Committee Memberships

 
Mar 2015
 - 
Feb 2016
日本数学会  地方区代議員
 
Mar 2014
 - 
Feb 2015
日本数学会  全国区代議員
 

Awards & Honors

 
Mar 2005
Hall medal, The Institute of Combinatorics and its Applications
 

Published Papers

 
On the classification of linear complementary dual codes
Makoto Araya and Masaaki Harada
Discrete Math.   342 270-278   Oct 2018   [Refereed]
New extremal singly even self-dual codes of lengths 64 and 66
Damyan Anev , Masaaki Harada and Nikolay Yankov
J. Algebra Comb. Discrete Struct. Appl.   5 143-151   Sep 2018   [Refereed]
New quantum codes constructed from some self-dual additive F4-codes
Masaaki Harada
Information Processing Letters   138 35-38   Jun 2018   [Refereed]
Some restrictions on weight enumerators of singly even self-dual codes II
Masaaki Harada and Akihiro Munemasa
Interdiscip. Inform. Sci.   24 77-85   Jun 2018   [Refereed]
Architecture of an FPGA-based heterogeneous system for code-search problems
Yuki Hiradate, Hasitha Muthumala Waidyasooriya, Masanori Hariyama and Masaaki Harada
Lecture Notes in Computer Science   10776 146-155   Mar 2018   [Refereed]
Binary extremal self-dual codes of length 60 and related codes
Masaaki Harada
Designs, Codes and Cryptogr.   86 1085-1094   Mar 2018   [Refereed]
Nonexistence of certain singly even self-dual codes with minimal shadow
Stefka Bouyuklieva, Masaaki Harada and Akihiro Munemasa
Electronic J. Combin.   25 P1.13   Jan 2018   [Refereed]
Singly even self-dual codes constructed from Hadamard matrices of order 28
Masaaki Harada and Ken Saito
Australasian J. Combin.   70 288-296   Dec 2017   [Refereed]
Ternary maximal self-orthogonal codes of lengths 21, 22 and 23
Makoto Araya, Masaaki Harada and Yuichi Suzuki
J. Algebra Comb. Discrete Struct. Appl.   5 1-4   Dec 2017   [Refereed]
On the performance of optimal double circulant even codes
T. Aaron Gulliver and Masaaki Harada
Advances Math. Communications   11 767-775   Nov 2017   [Refereed]
On the classification of Z4-codes
Makoto Araya, Masaaki Harada, Hiroki Ito and Ken Saito
Advances Math. Communications   11 747-756   Nov 2017   [Refereed]
Performance of ternary double circulant, double twistulant, and self-dual codes
T. Aaron Gulliver and Masaaki Harada
Applicable Algebra in Eng. Communi. Comput.   28 409-424   Nov 2017   [Refereed]
Masaaki Harada and Akihiro Munemasa
Finite Fields and Their Applications   48 306-317   Sep 2017   [Refereed]
Self-dual codes and the non-existence of a quasi-symmetric 2-(37,9,8) design with intersection numbers 1 and 3
Masaaki Harada, Akihiro Munemasa and Vladimir D. Tonchev
J. Combin. Designs   25 469-476   Aug 2017   [Refereed]
Extremal Type II Z4-codes constructed from binary doubly even self-dual codes of length 40
Masaaki Harada
Discrete Math.   340 2466-2468   Jul 2017   [Refereed]
A note on the fertilization success of the first male during successive mating in the Japanese rhinoceros beetle Trypoxylus dichotomus septentrionalis
Masaaki Harada and Naoyuki Fujiyama
J. Insect Behavior   30 231-236   Jun 2017   [Refereed]
New self-dual additive F4-codes constructed from circulant graphs
Markus Grassl and Masaaki Harada
Discrete Math   340 399-403   Jan 2017   [Refereed]
Quasi-unbiased Hadamard matrices and weakly unbiased Hadamard matrices: a coding-theoretic approach
Makoto Araya, Masaaki Haarda and Sho Suda
Mathematics of Computation   304 951-984   Dec 2016   [Refereed]
Masaaki Harada and Akihiro Munemasa
Interdiscip. Inform. Sci.   22 81-85   Nov 2016   [Refereed]
Masaaki Harada
Advances Math. Communications   10 695-706   Nov 2016   [Refereed]
On binary codes related to mutually quasi-unbiased weighing matrices
Masaaki Harada and Sho Suda
Australasian J. Combin.   66 10-22   Aug 2016   [Refereed]
Masaaki Harada, Ethan Novak and Vladimir D. Tonchev
Advances Math. Communications   10 643-648   Aug 2016   [Refereed]
Masaaki Harada and Akihiro Munemasa
Finite Fields and Their Applications   42 57-66   Jul 2016   [Refereed]
Supplementary difference sets related to a certain class of complex spherical 2-code
Makoto Araya, Masaaki Harada and Sho Suda
Australasian J. Combin.   65 71-83   Apr 2016   [Refereed]
On the classification of certain ternary codes of length 12
Makoto Araya and Masaaki Harada
Hiroshima Math. J.   46 87-96   Mar 2016   [Refereed]
Masaaki Harada
Designs, Codes and Cryptogr.   76 373-384   Aug 2015   [Refereed]
Masaaki Harada
IEEE Trans. Inform. Theory   61 72-81   Dec 2014   [Refereed]
Extremal unimodular lattices in dimension 36
Masaaki Harada
International J. Combin.   2014 Article ID 792471   Nov 2014   [Refereed]
Naoki Chigira, Masaaki Harada and Masaaki Kitazume
Designs, Codes and Cryptogr.   73 33-35   Jun 2014   [Refereed]
Masaaki Harada and Tsuyoshi Miezaki
Mathematics of Computation   83 1427-1446   Apr 2014   [Refereed]
Makoto Araya and Masaaki Harada
Discrete Math.   313 2872-2874   Sep 2013   [Refereed]
A complete classification of doubly even self-dual codes of length 40
Koichi Betsumiya, Masaaki Harada and Akihiro Munemasa
Electronic J. Combin   19 P18   Jul 2013   [Refereed]
Masaaki Harada, Ching Hung Lam and Akihiro Munemasa
Math. Zeitschrift   274 685-700   May 2013   [Refereed]
S. Bouyuklieva, I. Bouyukliev and Masaaki Harada
Finite Fields and Their Applications   21 67-83   Feb 2013   [Refereed]
Masaaki Harada and Akihiro Munemasa
Advaces Math. Communications   6 229-235   Apr 2012   [Refereed]
Masaaki Harada
Finite Fields and Their Applications   18 529-536   Mar 2012   [Refereed]
Masaaki Harada and Tsuyoshi Miezaki
Archiv der Mathematik   97 529-533   Dec 2011   [Refereed]
Masaaki Harada and Akihiro Munemasa
J. Combin. Designs   20 40-57   Dec 2011   [Refereed]
Masaaki Harada
Int. J. Number Theory   7 1345-1358   Jul 2011   [Refereed]
Masaaki Harada
Discrete Math.   311 2148-2157   Jul 2011   [Refereed]
Masaaki Harada and Akihiro Munemasa
IEEE Trans. Inform. Theory   57 3758-3762   Apr 2011   [Refereed]
Koichi Betsumiya, Masaaki Harada and Hiroshi Kimura
Designs, Codes and Cryptogr.   58 203-214   2011   [Refereed]
Mutually disjoint Steiner systems S(5,8,24) and 5-(24,12,48) designs
Makoto Araya and Masaaki Harada
Electronic J. Combin.   17 N1   2010   [Refereed]
Masaaki Harada, Michael Kiermaier, Alfred Wassermann and Radinka Yorgova
IEEE Trans. Inform. Theory   56 1612-1617   2010   [Refereed]
MDS self-dual codes of lengths 16 and 18
T. Aaron Gulliver and Masaaki Harada
Inter. J. Inform. and Coding Theory   1 208-213   2010   [Refereed]
Mutually disjoint designs and new 5-designs derived from groups and codes
Makoto Araya, Masaaki Harada, Vladimir D. Tonchev and Alfred Wassermann
J. Combin. Designs   18 305-317   2010   [Refereed]
Masaaki Harada
J. Combin. Theory Ser. A   117 1285-1288   2010   [Refereed]
Masaaki Harada and Tsuyoshi Miezaki
J. Combin. Theory Ser. A   118 190-196   2010   [Refereed]
Classification of generalized Hadamard matrices H(6,3) and quaternary Hermitian self-dual codes of length 18
Masaaki Harada, Clement Lam, Akihiro Munemasa and Vladimir D. Tonchev
Electronic J. Combin.   17 R171   2010   [Refereed]
Masaaki Harada
J. Algebra   321 2345-2352   2009   [Refereed]
Masaaki Harada and Akihiro Munemasa
Designs, Codes and Cryptogr.   52 125-127   2009   [Refereed]
Masaaki Harada, Akihiro Munemasa and B. Venkov
Mathematics of Computation   78 1787-1796   2009   [Refereed]
Masaaki Harada and Akihiro Munemasa
J. Combin. Theory Ser. A   116 1063-1072   2009   [Refereed]
Masaaki Harada and Akihiro Munemasa
Lecture Notes in Comput. Sci.   5921 78-90   2009   [Refereed]
Masaaki Harada and Katsushi Waki
Advances Math. Communications   3 311-316   2009   [Refereed]
Classification of circulant D-optimal designs of orders 62 and 74
Makoto Araya and Masaaki Harada
J. Statis. Appl.   4 301-312   2009   [Refereed]
Stefka Bouyuklieva, Masaaki Harada and Akihiro Munemasa
Finite Fields and Their Applications   14 177-187   2008   [Refereed]
On double circulant doubly even self-dual [72,36,12] codes and their neighbors
T. Aaron Gulliver and Masaaki Harada
Australasian J. Combin.   40 137-144   2008   [Refereed]
T. Aaron Gulliver and Masaaki Harada
IEEE Trans. Inform. Theory   54 415-417   2008   [Refereed]
Masaaki Harada and Hiroki Miyabayashi
J. Combin. Designs   16 364-372   2008   [Refereed]
An extremal doubly even self-dual code of length 112
Masaaki Harada
Electronic J. Combin.   15 N33   2008   [Refereed]
Naoki Chigira, Masaaki Harada and Masaaki Kitazume
J. Algebra   309 610-621   2007   [Refereed]
Naoki Chigira, Masaaki Harada and Masaaki Kitazume
Designs, Codes and Cryptogr.   42 93-101   2007   [Refereed]
On the complete coset weight distributions of extremal formally self-dual even codes
Masaaki Harada
Bull. Yamagata Univ. (Natural Sci.)   16 71-79   2007   [Refereed]
An extremal singly even self-dual code of length 88
Masaaki Harada and Takuji Nishimura
Advances Math. Communications   1 261-267   2007   [Refereed]
On the covering radii of extremal doubly even self-dual codes
Masaaki Harada and Akihiro Munemasa
Advances Math. Communications   1 251-256   2007   [Refereed]
Double circulant and quasi-twisted self-dual codes over F5 and F7
T. Aaron Gulliver, Masaaki Harada and Hiroki Miyabayash
Advances Math. Communications   1 223-228   2007   [Refereed]
New extremal self-dual codes of length 66
Masaaki Harada, Takuji Nishimura and Radinka Yorgova
Mathematica Balkanica   21 113-121   2007   [Refereed]
Naoki Chigira, Masaaki Harada and Masaaki Kitazume
J. Algebra   316 578-590   2007   [Refereed]
Optimal double circulant self-dual codes over F4 II
T. Aaron Gulliver, Masaaki Harada and Hiroki Miyabayash
Australasian J. Combin.   39 163-174   2007   [Refereed]
Masaaki Harada, W. Holzmann, H. Kharaghani and M. Khorvash
Graphs Combin.   23 401-417   2007   [Refereed]
Masaaki Harada
Designs, Codes and Cryptogr.   38 5-16   2006   [Refereed]
Masaaki Harada and Akihiro Munemasa
IEEE Trans. Inform. Theory   52 1266-1269   2006   [Refereed]
Orthogonal designs and MDS self-dual codes
Masaaki Harada and Hadi Kharaghani
Australasian J. Combin.   35 57-67   2006   [Refereed]
T. Aaron Gulliver and Masaaki Harada
Discrete Math.   306 2064-2072   2006   [Refereed]
T. Aaron Gulliver, Masaaki Harada, Takuji Nishimura and Patric R. J. Ostergard
Designs, Codes and Cryptogr.   37 465-471   2005   [Refereed]
Masaaki Harada
Designs, Codes and Cryptogr.   37 355-358   2005   [Refereed]
Masaaki Harada and Takuji Nishimura
IEEE Trans. Inform. Theory   51 2700-2702   2005   [Refereed]
Extremal self-dual codes over Z6, Z8 and Z10
T. Aaron Gulliver and Masaaki Harada
AKCE Intern. J. Graphs Combin.   2 11-24   2005   [Refereed]
Masaaki Harada, Akihiro Munemasa and Vladimir D. Tonchev
Ann. Combin.   9 189-198   2005   [Refereed]
Masaaki Harada and Hadi Kharaghani
J. Combin. Designs   13 184-194   2005   [Refereed]
Masaaki Harada, Clement Lam, and Vladimir D. Tonchev
Designs, Codes and Cryptogr.   34 71-87   2005   [Refereed]
Masaaki Harada, Masaaki Kitazume, Akihiro Munemasa and Boris Venkov
European J. Combin.   26 543-557   2005   [Refereed]
Masaaki Harada
J. Combin. Designs   13 152-156   2005   [Refereed]
Masaaki Harada, Michio Ozeki and Kenichiro Tanabe
Designs, Codes and Cryptogr.   33 149-158   2004   [Refereed]
Masaaki Harada, Masaaki Kitazume and Akihiro Munemasa
J. Combin. Theory Ser. A   107 143-146   2004   [Refereed]
Makoto Araya and Masaaki Harada
Discrete Math.   282 233-237   2004   [Refereed]
Masaaki Harada, Akihiro Munemasa and K. Tanabe
Finite Fields and Their Applications   10 183-197   2004   [Refereed]
Koichi Betsumiya and Masaaki Harada
IEEE Trans. Inform. Theory   50 356-358   2004   [Refereed]
T. Aaron Gulliver and Masaaki Harada
Designs, Codes and Cryptogr.   31 139-145   2004   [Refereed]
Makoto Araya, Masaaki Harada and Hadi Kharaghani
J. Combin. Designs   12 142-146   2004   [Refereed]
E. Bannai, Masaaki Harada, T. Ibukiyama, A. Munemasa and M. Oura
Abhandlungen Math. Seminar Univ. Hamburg   73 13-42   2003   [Refereed]
Koichi Betsumiya and Masaaki Harada
Applicable Algebra in Eng. Communi. Comput.   14 81-88   2003   [Refereed]
Radinka Dontcheva and Masaaki Harada
Applicable Algebra in Eng. Communi. Comput.   14 75-79   2003   [Refereed]
D.B. Dalan, Masaaki Harada and A. Munemasa
J. Combin. Designs   11 367-380   2003   [Refereed]
T. Aaron Gulliver, Masaaki Harada and J.-L. Kim
Discrete Math.   263 81-91   2003   [Refereed]
K. Betsumiya, S. Georgiou, T.A. Gulliver, Masaaki Harada and C.Koukouvinos
Discrete Math.   262 37-58   2003   [Refereed]
On the classification of self-dual codes over F5
Masaaki Harada and P.R.J. Ostergard
Graphs and Combin.   19 203-214   2003   [Refereed]
Radinka Dontcheva and Masaaki Harada
Finite Fields and Their Applications   9 157-167   2003   [Refereed]
Koichi Betsumiya, T. Aaron Gulliver and Masaaki Harada
Designs, Codes and Cryptogr.   28 171-186   2003   [Refereed]

Conference Activities & Talks

 
On the nonexistence of certain extremal doubly even self-dual codes
HARADA Masaaki
21 Aug 2016   
On a 5-design related to an extremal doubly even self-dual code of length 72
Workshop on Hadamard Matrices and Combinatorial Designs   31 Oct 2014   
非線形2元符号と Z4 符号 〜Nordstrom-Robinson 符号を例に〜
応用数学連携フォーラム   20 Feb 2014   
On the residue codes of self-dual Z4-codes with large minimum Lee weights
金沢組合せ論セミナー   7 Feb 2014   
組合せ構造としての符号理論
大談話会   12 Nov 2013