John Morgan, Columbia University: Poincare/Lefschetz Duality Bordism Theory

New channel IMSA: title sample judged 'whole' (Nearly all uploads are full research-level math seminar talks and short courses by academics, a genuine teaching/lecture); passed a second screen for sellers/exam-prep/re-uploads; 2 of 3 sampled transcripts showed teaching, 0 not; every title checked strictly; oEmbed verified.

A 60-minute video from IMSA: “John Morgan, Columbia University: Poincare/Lefschetz Duality Bordism Theory”.

Video by IMSA, played through YouTube's embedded player.