Takao Ohkawa is on CollEc

rank value
closeness 36427 5.51825
betweenness 10283 1.16472

co-authors

  1. Tetsuya Shinkai [psh228]
  2. Kozo Harimaya [pha776]
  3. Kojun Hamada [pha1429]
  4. Koji Shimomura [psh548]