Володимир Любашенко - Шарування на поверхнях і категорії Фукая: системи дуг, 3

New channel Topology Department: title sample judged 'whole' (Near entirely full-length recorded university-level math lectures, seminars, and conference talks with almost no promoti); passed a second screen for sellers/exam-prep/re-uploads; 1 of 3 sampled transcripts showed teaching, 0 not; every title checked strictly; oEmbed verified.