nLab
equivariant

Idea

An equivariant function is a homomorphism between two G-sets:

f:XYAAAf(g(x))=g(g(f))AgG f \;\colon\; X \longrightarrow Y \phantom{AAA} f(g(x)) = g (g(f)) \phantom{A} \forall g \in G

More generally, an equivariant morphism is a homomorphism of GG-actions.

Last revised on March 10, 2019 at 10:31:45. See the history of this page for a list of all contributions to it.