Blowup algebras of rational normal scrolls

Autor: Sammartano, Alessio
Rok vydání: 2016
Předmět:
Zdroj: Trans. Amer. Math. Soc. 373 (2020), 797-818
Druh dokumentu: Working Paper
DOI: 10.1090/tran/7689
Popis: We determine the equations of the blowup of $\mathbb{P}^n$ along a $d$-fold rational normal scroll $S$, and we prove that the Rees ring and special fiber ring of $S \subseteq \mathbb{P}^n$ are Koszul algebras.
Comment: To appear on Transactions of the American Mathematical Society
Databáze: arXiv