Ken-Ichi Akao is on CollEc

rank value
closeness 8008 4.92495
betweenness 7791 1.32552

co-authors

  1. Shunsuke Managi [pma562]
  2. Hiroaki Sakamoto [psa1220]
  3. Kazuo Nishimura [pni197]
  4. Tapan Mitra [pmi460]
  5. Gerhard Sorger [pso49]