Yiming Long, Multiple closed geodesics on spheres

Picked one by one from a mixed channel. Transcript check: both title readers certain; 5 of 5 sampled certain picks confirmed by transcript, none failed. Channel rule:

A 41-minute video from Institut des Hautes Etudes Scientifiques (IHES): “Yiming Long, Multiple closed geodesics on spheres”.

Video by Institut des Hautes Etudes Scientifiques (IHES), played through YouTube's embedded player.