S28 §3.2完全正規直交系3

Round-11 hunt: picked; channel-level screens (sellers/exam/re-upload/devotional/vendor/events), provenance check and vendor/seller/devotional recheck passed; strict per-title check + final strict pass; oEmbed verified.

A 18-minute video from 津川光太郎 大学数学[数学科]講義: “S28 §3.2完全正規直交系3”.

Video by 津川光太郎 大学数学[数学科]講義, played through YouTube's embedded player.