Ken Yamada is on CollEc

rank value
closeness 22478 5.33805
betweenness 25263 0.094483

co-authors

  1. Jeremy Lise [pli167]
  2. Tatsushi Oka [pok37]
  3. Michio Suzuki [psu236]
  4. Tomoaki Yamada [pya231]
  5. Nao Sudo [psu191]