Kazuhiko Hayakawa is on CollEc

rank value
closeness 12242 5.11572
betweenness 11665 0.748407

co-authors

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