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math.AC2021
Blow-up algebras of secant varieties of rational normal scrolls
Kuei-Nuan Lin, Yi-Huang Shen
In this paper, we are mainly concerned with the blow-up algebras of the secant varieties of balanced rational normal scrolls. In the first part, we give implicit defining equations…
math.AC2021★ 1 cited
Symbolic powers of generalized star configurations of hypersurfaces
Kuei-Nuan Lin, Yi-Huang Shen
We introduce the class of sparse symmetric shifted monomial ideals. These ideals have linear quotients and their Betti numbers are computed. Using this, we prove that the symbolic…