千葉大学 大学院工学研究科・工学部


Yuichiro_Dec09_2015.jpeg
藤原 祐一郎
フジワラ ユウイチロウ
Yuichiro Fujiwara
助教
情報科学専攻
知能情報コース
情報画像学科
自然科学系研究棟2 301
043-290-3288
yuichiro.fujiwara@
(@マーク以下にchiba-u.jpと入力してください。)
名古屋大学大学院情報科学研究科 後期博士課程短縮修了 博士(情報科学)2007
慶應義塾大学大学院理工学研究科 前期博士課程修了 修士(理学)2005
2012-2015 カリフォルニア工科大学 客員研究員
2009-2012 ミシガン工科大学 客員研究員
2007-2011 筑波大学 日本学術振興会特別研究員
2006-2007 名古屋大学 日本学術振興会特別研究員
IEEE
量子情報,組合せデザイン論,符号理論
Y. Fujiwara, A. Gruner, P. Vandendriessche
High-rate quantum low-density parity-check codes assisted by reliable qubits
IEEE Transactions on Information Theory, 61 (2015) 1860-1878.

Y. Fujiwara, P. Vandendriessche
Quantum synchronizable codes from finite geometries
IEEE Transactions on Information Theory, 60 (2014) 7345-7354.

Y. Fujiwara
Ability of stabilizer quantum error correction to protect itself from its own imperfection
Physical Review A, 90 (2014) 062304.

Y. Fujiwara
Parsing a sequence of qubits
IEEE Transactions on Information Theory, 59 (2013) 6796-6806.

Y. Fujiwara
Self-synchronizing pulse position modulation with error tolerance
IEEE Transactions on Information Theory, 59 (2013) 5352-5362.

Y. Fujiwara, V. D. Tonchev
A characterization of entanglement-assisted quantum low-density parity-check codes
IEEE Transactions on Information Theory, 59 (2013) 3347-3353.

Y. Fujiwara, V. D. Tonchev
High-rate self-synchronizing codes
IEEE Transactions on Information Theory, 59 (2013) 2328-2335.

Y. Fujiwara
Quantum error correction via less noisy qubits
Physical Review Letters, 110 (2013) 170501.

Y. Fujiwara, V. D. Tonchev, T. W. H. Wong
Algebraic techniques in designing quantum synchronizable codes
Physical Review A, 88 (2013) 012318.

Y. Fujiwara
Block synchronization for quantum information
Physical Review A, 87 (2013) 022344.

Y. Fujiwara, D. Clark, P. Vandendriessche, M. De Boeck, V. D. Tonchev
Entanglement-assisted quantum low-density parity-check codes
Physical Review A, 82 (2010) 042338.

Y. Fujiwara, S. L. Wu, H. L. Fu
Sparseness of 4-cycle systems
Journal of Combinatorial Mathematics and Combinatorial Computing, 75 (2010) 175-185.

Y. Fujiwara, C. J. Colbourn
A combinatorial approach to X-tolerant compaction circuits
IEEE Transactions on Information Theory, 56 (2010) 3196-3206.

C. Ding, R. Fuji-Hara, Y. Fujiwara, M. Jimbo, M. Mishima
Sets of frequency hopping sequences: Bounds and optimal constructions
IEEE Transactions on Information Theory, 55 (2009) 3297-3304.

C. J. Colbourn, Y. Fujiwara
Small stopping sets in Steiner triple systems
Cryptography and Communications, 1 (2009) 31-46.

R. Fuji-Hara, Y. Fujiwara, Y. Miao
Ideal secret sharing schemes: Combinatorial characterizations, certain access structures, and related geometric problems
Journal of Statistics and Applications, 4 (2009) 379-396.

Y. Fujiwara
Nonexistence of sparse triple systems over abelian groups and involutions
Journal of Algebraic Combinatorics, 26 (2007) 495-506.

Y. Fujiwara
Halving Steiner 2-designs
Discrete Mathematics, 307 (2007) 1551-1558.

Y. Fujiwara
Infinite classes of anti-mitre and 5-sparse Steiner triple systems
Journal of Combinatorial Designs, 14 (2006) 237-250.

Y. Fujiwara
Constructions for anti-mitre Steiner triple systems
Journal of Combinatorial Designs, 13 (2005) 286-291.
情報理論特論