a notorious functional equation.
18:42
a nice functional equation.
15:43
what function satisfies these conditions??
18:44
A deceivingly difficult differential equation.
18:36
A nice functional equation from Romania
14:59
Math News: The Bunkbed conjecture was just debunked!!!!!!!
16:02
Le Brachistochrone, avec Steven Strogatz
16:41
a fun functional equation with an inverse twist
31:10