Michael Callen is on CollEc

rank value
closeness 6231 4.87289
betweenness 14858 0.479526

co-authors

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