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Results tagged with invariant-theory
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user 16002
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.
4
votes
Accepted
Intersection theory for $G$-varieties - an action on the chow ring?
If you are interested in intersection theory of varieties with $G$-actions, then you want to study equivariant intersection theory. This theory exploits the $G$-action in a way that leads to deeper i …
- 1,780
3
votes
Accepted
Dimension of spaces of invariants/tableaux functions
The numbers you refer to are known as Kostka numbers. They are discussed in standard references like Fulton's Young Tableaux and Stanley's Enumerative Combinatorics. The weights of a tableaux are of …
- 1,780