Lecture 11: Basic Group Theory // TRAIN BRAIN

Lecture 11: Basic Group Theory

MIT 18.200 Principles of Discrete Applied Mathematics, Spring 2024
Instructor: Ankur Moitra
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Definition of a group; examples of groups: addition mod n, multiplication mod n.Definitions of subgroup, definition of cosets, statement and proof of Lagrange’s theorem. Finally, we apply Lagrange’s theorem to prove Fermat’s little Theorem.
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