Ken-Ichi Akao is on CollEc

rank value
closeness 8146 4.95861
betweenness 8063 1.25671

co-authors

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