Selkirk: From Kreweras to Gessel A Walk through Patterns in the Quarter Plane - FPSAC Davis 2023

Round-10 hunt: picked; channel-level screens (sellers/exam/re-upload/devotional/vendor/events) and provenance check passed; strict per-title check + final strict pass; oEmbed verified.

A 34-minute video from FPSAC: “Selkirk: From Kreweras to Gessel A Walk through Patterns in the Quarter Plane - FPSAC Davis 2023”.

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