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Lecture 4 - Thursday Week 2: Revision history

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2 February 2026

  • curprev 15:4115:41, 2 February 2026 Olaundon talk contribs 8,969 bytes +8,969 Created page with " = Lecture 4 - 22 Jan 2026 = Lie algebra -> Lie Group by the '''Exponential Map''' Proposition: Let <math display="inline">X</math> be a left-invariant vectorfield in <math display="inline">\mathfrak{g}</math>. Then <math display="inline">X</math> is complete (flow defined everywhere, i.e. for all time) ''proof'', it works for <math display="inline">\varepsilon > 0</math> near <math display="inline">e_{G}</math>. Then multiply by <math display="inline">a</math>, i.e..."
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