YUICHIRO FUJIWARA
 
Appointment  Postdoctoral Fellow
 Mathematics 253-37
 California Institute of Technology
   
Research Area


 Combinatorics
 Information Theory
 Quantum Information Theory
   
Email  yuichiro.fujiwara@caltech.edu

Welcome to My Webpage!
Research

My research is focused on combinatorics and its intersection with quantum physics, computer science, and electrical engineering. Particular emphasis is placed on design theory, coding theory, and quantum information theory.


Curriculum Vitae and Other "About Me" Things

My CV is here.
My profile on Google Scholar is here.
Most preprints and postprints of my work are available here on arXiv.

Publications
Refereed Journal Papers

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

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

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

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

  5. 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.

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

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

  8. 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.

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

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

  11. 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.

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

  13. 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.

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

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

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

  17. Y. Fujiwara
    Constructions for anti-mitre Steiner triple systems
          Journal of Combinatorial Designs, 13 (2005) 286-291.


Page last updated November 6, 2013.