2013 1 기하위상 16 Intro to characteristic class, 2013 0510금, 김혁

New channel SNUVC: title sample judged 'whole' (Full recorded graduate-level topology/geometry course lectures (algebraic topology, geometric topology, volume conjectur); passed a second screen for sellers/exam-prep/re-uploads; 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.