Koichi Fujii

According to our database, Koichi Fujii authored at least 6 papers between 2008 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

An exceptionally difficult binary quadratic optimization problem with symmetry: a challenge for the largest unsolved QAP instance Tai256c.

Koichi Fujii, Sunyoung Kim, Masakazu Kojima, Hans D. Mittelmann, Yuji Shinano

Optim. Lett., July, 2025

A Bigram Based ILP Formulation for Break Minimization in Sports Scheduling Problems.

Koichi Fujii, Tomomi Matsui

IEICE Trans. Inf. Syst., 2025

2024

Minimizing breaks by minimizing odd cycle transversals.

Koichi Fujii, Tomomi Matsui

CoRR, 2024

2023

Solving break minimization problems in mirrored double round-robin tournament with QUBO solver.

Koichi Fujii, Tomomi Matsui

CoRR, 2023

2015

Describing Global Musical Structures by Integer Programming on Musical Patterns.

Tsubasa Tanaka, Koichi Fujii

Proceedings of the Mathematics and Computation in Music - 5th International Conference, 2015

2008

Content based automatic zooming: viewing documents on small displays.

Patrick Chiu, Koichi Fujii, Qiong Liu

Proceedings of the 16th International Conference on Multimedia 2008, 2008