Hiroaki Sakamoto is on CollEc

rank value
closeness 18522 5.27153
betweenness 19975 0.253423

co-authors

  1. Ken-Ichi Akao [pak134]
  2. Larry Karp [pka143]
  3. Jan Magnus [pma753]
  4. Masako Ikefuji [pik14]
  5. Naoto Jinji [pji118]