Erwin Hansen is on CollEc

rank value
closeness 10192 4.98086
betweenness 17245 0.432083

co-authors

  1. Kevin Cowan [pco175]
  2. Rodrigo Wagner [pwa906]
  3. Stuart Hyde [phy6]
  4. Roberto Alvarez [pal274]
  5. Edgar Kausel [pka695]