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Abstract Algebra
Benedict Gross
Learn group actions with Prof. Benedict Gross! This abstract algebra course explores key concepts with clear explanations.
More resources on Group Actions
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Wolfram MathWorld
MathWorld is an online mathematics encyclopedia from Wolfram Research offering detailed, browsable articles on topics across the math spectrum, including algebra, geometry, calculus, and number theory. Each entry includes definitions, theorems, formulas, diagrams, worked examples, and links to further reading.
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Group Properties Wiki
The Groupprops wiki entry on group actions, giving equivalent definitions, related notions such as orbits, stabilizers, transitive and faithful actions, and links to many worked examples and facts. Readers can use it as a precise reference while studying group theory.