complexity problems in enumerative combinatorics – igor pak – icm2018 Published 5 years ago • 601 plays • Length 44:03 Download video MP4 Download video MP3 Similar videos 1:00:12 igor pak (ucla) - the combinatorics and complexity of integer sequences [2017] 8:24 |i factorial| you won't believe the outcome 12:29 combinatorics and higher dimensions - numberphile 5:03 the secret behind -1 factorial