Kazuhiko Hayakawa is on CollEc

rank value
closeness 11872 5.09627
betweenness 11623 0.754133

co-authors

  1. M Pesaran [ppe34]
  2. Eiji Kurozumi [pku189]
  3. Hiroaki Chigira [pch1256]
  4. Shuichi Nagata [pna367]