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A very nice way to think about a group actionsaction on an object $X$ is as a group homomorphism from $G$ to $\operatorname{Aut}(X)$. isIs there something similar for cogroups?
What is a cogroup and what are coactions?
A very nice way to think about group actions on an object $X$ is as a group homomorphism from $G$ to $\operatorname{Aut}(X)$. is there something similar for cogroups?
What is a cogroup and what are coactions?
A very nice way to think about a group action on an object $X$ is as a group homomorphism from $G$ to $\operatorname{Aut}(X)$. Is there something similar for cogroups?
A very nice way to think about group actions on an obect Xobject $X$ is as a group homomorphism from G$G$ to AUT(X)$\operatorname{Aut}(X)$. is there something similar for cogroups?
what is a cogroup and what are coactions
A very nice way to think about group actions on an obect X is as a group homomorphism from G to AUT(X). is there something similar for cogroups?
What is a cogroup and what are coactions?
What is a cogroup and what are coactions?
A very nice way to think about group actions on an object $X$ is as a group homomorphism from $G$ to $\operatorname{Aut}(X)$. is there something similar for cogroups?
