Publications

[Japanese][English]

Paper

  1. Chiho Fukunaga and Seiya Okubo:
    ``Solution of Hebi using Quantum annealing'',
    IPSJ Transactions on Mathematical Modeling and Its Applications（TOM）(to appear)
  2. Hirohisa Oda and Chiho Fukunaga:
    ``Development of a Web-Based Learning Support System for Information Theory'',
    Journal of Japan Society for Fuzzy Theory and Intelligent Informatics，(to appear)
  3. Chiho Fukunaga and Seiya Okubo:
    ``Tasukuea is NP-complete'',
    IEICE Transactions Information and Systems: D，(to appear)
  4. Chiho Fukunaga and Seiya Okubo:
    ``Solution of Kazunori Room using Quantum annealing'',
    IPSJ Transactions on Mathematical Modeling and Its Applications（TOM），Vol.18，No.3，pp.32-42 (2025)
  5. Chiho Fukunaga and Seiya Okubo:
    ``Proof of NP-completeness of Sumline and Solution using Quantum Annealing'',
    IPSJ Transactions on Mathematical Modeling and Its Applications（TOM），Vol.18，No.2，pp.1-12 (2025)
  6. Chiho Fukunaga and Seiya Okubo:
    ``Proof of NP-completeness of Kin-Kon-Kan'',
    IPSJ Transactions on Mathematical Modeling and Its Applications（TOM），Vol.14，No.2，pp.59-66 (2023)

Conference (In Japan)

  1. Chiho Fukunaga, Seiya Okubo:
    ``Quantum annealing for solving the compatible with the separation prohibited and its application to Sukoro'',
    2026 Winter LA Symposium (2026)
  2. Chiho Fukunaga and Seiya Okubo:
    ``Solution of Hebi using Quantum annealing''，
    The Special Interest Group Technical Reports of IPSJ. [SIG Mathematical Modeling and Problem Solving: MPS], Vol.2025-MPS-155 (2025).
  3. Hirohisa Oda and Chiho Fukunaga:
    ``Web-based Learning Tools for Rapid and Intuitive Understanding of Machine Learning Fundamentals''，
    The Special Interest Group Technical Reports of IPSJ. [SIG Computer and Education: CE], Vol.2025-CE-181, No.10, pp. 1--8 (2025).
  4. Chiho Fukunaga and Seiya Okubo:
    ``Solution of Numske using Quantum annealing''，
    The Special Interest Group Technical Reports of IPSJ. [SIG Quantum Software: QS], Vol.2025-QS-15, No.12, pp. 1--8 (2025). Contains typographical errors
  5. Chiho Fukunaga and Seiya Okubo:
    ``Solution of Makaro using Quantum annealing''，
    The Special Interest Group Technical Reports of IPSJ. [SIG Game Informatics: GI], Vol.2025-GI-54, No.10, pp. 1--8 (2025).
  6. Chiho Fukunaga, Seiya Okubo:
    ``Solving Numerical Puzzles using Quantum Annealing'',
    2025 Winter LA Symposium (2025)
  7. Chiho Fukunaga and Seiya Okubo:
    ``Solution of Tasukuea using Quantum annealing''，
    The Special Interest Group Technical Reports of IPSJ. [SIG Mathematical Modeling and Problem Solving: MPS]，Vol.2024-MPS-151, No.1, pp. 1--8 (2024).
  8. Chiho Fukunaga and Seiya Okubo:
    ``Solution of Kazunori Room using Quantum annealing''，
    The Special Interest Group Technical Reports of IPSJ. [SIG Mathematical Modeling and Problem Solving: MPS]，Vol.2024-MPS-151, No.2, pp. 1--8 (2024).
  9. Chiho Fukunaga, Hiroaki Yuze and Seiya Okubo:
    ``Proposal of quantum human resource development materials for high school students using puzzles'',
    Information Processing Society of Japan, Information Education Summer Symposium in Shimotsuke 2024，pp.291-296 (2024).(Poster presentation)(Excellent Demo Poster Award)
  10. Chiho Fukunaga and Seiya Okubo:
    ``Proof of NP-completeness of Tasukuea'',
    IEICE Technical Report COMP2023-29，pp.6-13 (2024).
  11. Chiho Fukunaga and Seiya Okubo:
    ``Proof of NP-completeness of Sumline and solution using Quantum annealing''，
    The Special Interest Group Technical Reports of IPSJ. [SIG Mathematical Modeling and Problem Solving : MPS]，Vol.2023-MPS-146, No.9, pp. 1--6 (2023).
  12. Chiho Fukunaga and Seiya Okubo:
    ``Solution of Shikaku using Quantum annealing''，
    Proceedings of the 85th National Convention of IPSJ，Vol.2022, No.1, pp.323--324 (2023).
  13. Chiho Fukunaga and Seiya Okubo:
    ``Proof of NP-completeness of Kin-Kon-Kan''，
    The Special Interest Group Technical Reports of IPSJ. [SIG Mathematical Modeling and Problem Solving : MPS]，Vol.2022-MPS-141, No.2, pp. 1--6 (2022).

International Conference

  1. Chiho Fukunaga and Seiya Okubo:
    ``Kazunori Room is NP-complete'',
    The 26th Japan Conference on Discrete and Computational Geometry, Graphs, and Games (JCDCG3), pp.31--32 (2024)

Others

  1. Chiho Fukunaga:
    ``Quantum Information Education for High School Students Aiming for the Era of 10 Million Quantum Talents''，
    IPSJ Magazine，Vol.66, No.4, pp. 170--175 (2022).