Group Actions on Varieties

Related lectures (31)

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

Introduces affine varieties and covers morphisms between them and their coordinate rings.

Explores automorphisms of projective varieties, discussing isomorphism between complements and key observations on dimensions and examples.

Covers fixed points, orbits, and stabilizers in G-varieties, including properties of closed subgroups and faithful actions.

Covers coordinate rings, closed embeddings, and operations on affine varieties.

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

Explores the embedding of chi-varieties into vector spaces with linear actions.

Covers modern algebraic geometry, including algebraic sets, morphisms, and projective algebraic sets.

Explores automorphisms of graphs, focusing on automorphism groups, Cayley-Abels graphs, and quasi-isometry.

Explores the construction of the free action functor and its equivariance.