Why study Lie theory? | Lie groups, algebras, brackets #1
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How to rotate in higher dimensions? Complex dimensions? | Lie groups, algebras, brackets #2
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What is Lie theory? Here is the big picture. | Lie groups, algebras, brackets #3
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Germany | Can you solve this? | Math Olympiad
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Lie algebras visualized: why are they defined like that? Why Jacobi identity?
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Lie groups and their Lie algebras - Lec 13 - Frederic Schuller
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Ranking Paradoxes, From Least to Most Paradoxical
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Terence Tao on how we measure the cosmos | Distance ladder part 1
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