Clase 5d — La gavilla estructural y los espacios localmente anillados

New channel J. Rogelio Pérez Buendía: title sample judged 'whole' (An authentic university math professor's channel of full graduate-level course lectures and seminars, with only a handfu); 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 62-minute video from J. Rogelio Pérez Buendía: “Clase 5d — La gavilla estructural y los espacios localmente anillados”.

Video by J. Rogelio Pérez Buendía, played through YouTube's embedded player.