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Lecture

Weil’s proof on the existence and uniqueness of Haar measure, categorified.

Seeing the Axiom of Choice Before It’s Stated

Measurability and Points of Density

Geometry of Tensors

Seeing the Axiom of Choice Before It’s Stated

1. Why Do People Struggle with the Axiom of Choice? The Axiom

Jordan liked to decompose things...

Cantor-Vitali Set: A Non-Borel-Measurable Set of Measure Zero

Projective Eigenspaces