Sir Roger Penrose: The palatial twistor approach to Einstein lambda vacuums
48:02
Stefan Volkwein: Introduction to PDE-constrained optimization - lecture 2
47:24
Sir Roger Penrose - The palatial twistor approach to Einstein lambda vacuums
1:33:00
Sir Roger Penrose on collaborating with Wolfgang Rindler on Spinors and Space Time
48:08
Carlo Rovelli: Twist and loop
15:41
What if Singularities DO NOT Exist?
31:59
Le magnétisme est une illusion
57:49
Tom Leinster : The categorical origins of entropy
1:35:26