Topology - chi_A: XtoR, is continuous at x iff x is not in the frontier of A
1:48
Topology - X=UA_n, A_n in interior(A_{n+1}). If f|A_n is continuous for all n, then f continuous.
8:55
JD Vance's bizarre speech will backfire on Trump
2:44
Topology - Open/Closed Map. The exponential map, the folding map, the winding map.
15:50
FULL REMARKS: JD Vance Puts European Leaders On Notice About Trying To Regulate U.S. Tech Giants
16:51
Understanding Measure Theory and the Lebesgue Integral
4:48
Analysis - Pointwise and Uniform Convergence of Sequences of Functions on Set A
12:11
Simple Explanation of the Birthday Paradox
14:45