Harutaka Takahashi is on CollEc

rank value
closeness 15916 4.91592
betweenness 31433 0.0521983

co-authors

  1. Alain Venditti [pve104]
  2. Kazuo Nishimura [pni197]
  3. Koji Shimomura [psh548]
  4. Ngo Long [plo153]