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math.AC2026
Trace ideals of syzygies
Haydee Lindo, Justin Lyle, Sarasij Maitra
We study the behavior of trace ideals under taking syzygies. In particular, when is numerical semigroup ring and is a homogeneous ideal in , we obtain an upper estimate…
math.AC2026
Gorenstein Special Fiber Rings of Ladder Determinantal Modules
Louiza Fouli, Kuei-Nuan Lin, Haydee Lindo +1
A ladder determinantal module is an arbitrary direct sum of ideals of maximal minors of a generic ladder matrix. In this article, we give necessary and sufficient conditions for th…