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math.AC2021★ 3 cited
Rees algebras of sparse determinantal ideals
Ela Celikbas, Emilie Dufresne, Louiza Fouli +4
We determine the defining equations of the Rees algebra and of the special fiber ring of the ideal of maximal minors of a sparse matrix. We prove that their initial alg…
math.AC2013★ 1 cited
Separating invariants for arbitrary linear actions of the additive group
Emilie Dufresne, Jonathan Elmer, Müfit Sezer
We consider an arbitrary representation of the additive group over a field of characteristic zero and give an explicit description of a finite separating set in the corresponding r…