Michael Callen is on CollEc

rank value
closeness 6551 4.83682
betweenness 13135 0.653869

co-authors

  1. Muhammad Khan [pkh450]
  2. Eli Berman [pbe188]
  3. James Andreoni [pan31]
  4. Jean Imbs [pim10]
  5. Paolo Mauro [pma337]
  6. Noam Yuchtman [pyu185]
  7. Bruno Ferman [pfe315]