Lecture

Group Theory: Actions and Stabilizers

Description

This lecture covers the concept of group actions, focusing on defining actions on subsets, points fixes, and orbits. It also explores the relationship between actions on different sets and the notion of stabilizers. Examples include non-trivial actions of C₂ on R² and geometric effects of these actions.

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Official source

https://mediaspace.epfl.ch/media/0_rccbkthd

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