Kevin Walker's lectures on Topological Quantum Field Theory (part 4 of 8)

New channel Kim Morrison: title sample judged 'whole' (Nearly every upload is a genuine math lecture, seminar talk, conference presentation, or full university course recordin); passed a second screen for sellers/exam-prep/re-uploads; 1 of 3 sampled transcripts showed teaching, 1 not; titles picked one by one, checked strictly; oEmbed verified.