Igor Drapkin is on CollEc

rank value
closeness 30841 5.32955
betweenness 15255 0.655411

co-authors

  1. Oleg Mariev [pma3059]
  2. Anna Fedyunina [pfe378]
  3. Rogneda Vasilyeva [pva1023]
  4. Yuri Simachev [psi485]
  5. Heiko Rachinger [pra1213]