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math.AC2021
Degree bounds for invariant skew polynomials
Francesca Gandini
When we consider the action of a finite group on a polynomial ring, a polynomial unchanged by the action is called an invariant polynomial. A famous result of Noether states that i…
math.AC2020★ 2 cited
The InvariantRing package for Macaulay2
Luigi Ferraro, Federico Galetto, Francesca Gandini +3
We describe a significant update to the existing InvariantRing package for Macaulay2. In addition to expanding and improving the methods of the existing package for actions of fini…
math.AC2018★ 1 cited
Resolutions of ideals associated to subspace arrangements
Francesca Gandini
Given a collection of subspaces in an -dimensional -vector space we can associate to them vanishing ideals in the symmetric algebra $\mathcal{S}(W^*) =…