Yoshihiko Nishiyama is on CollEc

rank value
closeness 4180 4.69124
betweenness 4756 2.34942

co-authors

  1. Peter Robinson [pro222]
  2. YOKO KONISHI [pko400]
  3. Ryo Okui [pok36]
  4. Yasuhiro Sato [psa307]
  5. Vance Martin [pma552]
  6. Taro Kanatani [pka155]
  7. Se-il Mun [pmu157]