3
votes
2answers
200 views

Intersection theory for $G$-varieties - an action on the chow ring?

Let $G$ be a reductive algebraic group. Let $X$ be a $G$-variety and consider any closed subvariety $Z$ of $X$. Since any $g\in G$ acts as an automorphism, we know that $g.Z$ is again a closed ...
1
vote
1answer
177 views

invariants of plane quartics

Does anybody know a good reference where the invariants for plane quartic curves are developed?