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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.AC2018
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^*) =…