Michael Callen is on CollEc

rank value
closeness 6914 4.83682
betweenness 13318 0.645965

co-authors

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