Group action

Related lectures (31)

Covers proper actions of groups on Riemann surfaces and introduces algebraic curves via square roots.

Explores automorphism groups of trees and graphs, including actions on trees and group homomorphisms.

Explores solvable groups, group actions, normalizers, and stabilizers in group theory.

Explores subsets and subgroups related to group actions on sets.

Covers group actions, bijections, evaluations, translations, homomorphisms, and inverses within universal actions.

Covers aggregation logic, sorting results, and writing SQL queries based on specific attributes.

Explores two definitions of group action on a set, focusing on properties and applications.

Explores group actions on varieties, including orbits, stabilizers, and G-invariant morphisms.

Explores group actions on lattices, emphasizing GL₂(Q) and GL₂(Ag) compatibility and alternative formulations.

Explores Lie algebras, representations, tensor products, and commutation relations in mathematics.

Explores examples of group actions on sets, emphasizing the utility of group actions to understand groups.

Covers exercises on quantum field theory and fundamental vectors in group transformations.

Explores irreducible representations of the rotations group and their mathematical properties.

Covers the concept of Galoisian coating and actions that are totally discontinuous.

Covers fixed points, orbits, and stabilizer subgroups in group actions.

Explores fundamental groups, homotopy classes, and coverings in connected manifolds.

Explores the motivations for studying actions through the universal action of bijections.

Explores group actions and equivariant morphisms in group theory.

Explains the concept of free actions and their preservation properties in group theory.

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