Hiroaki Sakamoto is on CollEc

rank value
closeness 22057 5.0816
betweenness 19875 0.438639

co-authors

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