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Results tagged with invariant-theory
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user 104949
Invariant theory deals with an algebraic, geometric or analytic structure $X$, submitted to the action of an (algebraic) group $G$. It studies $G$-invariant elements of $X$ as well as the set of $G$-orbits.
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Representations, ADE singularities
This sounds very classical, but it would be great if someone can point out a reference to me.
Let $G \leq \mathrm{SL}(2, \mathbb{C})$ be a finite group with its natural action on $\mathbb{C}[x, y]$, …
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