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 Web Page!
Research

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


Curriculum Vitae

My CV is here.
My profile on Google Scholar is here for citation analysis.
Some of my preprints are available here through arXiv.

Publications
Refereed Journal Papers

  1. Y. Fujiwara
    Self-synchronizing pulse position modulation with error tolerance
          IEEE Transactions on Information Theory, to appear.

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

  3. 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.

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

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

  6. 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.

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

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

  9. 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.

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

  11. 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.

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

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

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

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

Page last updated May 4, 2013.