12:42

Not subspace

30:16

linear algebra vector space (25 examples)

9:35

Span is a subspace

56:45

Abel in Bonn: Peter Scholze: Holomorphic functions on sectors

20:05

Three Subspaces Associated with a Matrix: Nullspace, Rowspace, and Colspace

13:16

Nullspace of a matrix

29:22

25 - Direct sums of subspaces

14:17

How the Elite rigged Society (and why it’s falling apart) | David Brooks