TITLE: Online video of some courses
QUESTION [6 upvotes]: Who knows online video of Riemannian Geometry and Commutative Algebra? If you know, please recommend them to me. I am really eager to learn these courses.

REPLY [3 votes]: There is now a great course on Commutative Algebra by Richard Borcherds on Youtube, it follows the book of David Eisenbud :
Commutative Algebra with a view toward Algebraic geometry
https://www.youtube.com/playlist?list=PL8yHsr3EFj53rSexSz7vsYt-3rpHPR3HB