A stable property of Borel type ideals
Mircea Cimpoeas
Abstract
In this paper, we extend a result of Eisenbud-Reeves-Totaro in the frame of ideals of Borel type.
Mircea Cimpoeas
In this paper, we extend a result of Eisenbud-Reeves-Totaro in the frame of ideals of Borel type.
Mircea Cimpoeas
This paper contains 2 sections, 7 theorems, 6 equations.
Lemma 4
Let $I\subset S$ be an ideal and $I'=IS'$ the extension of $I$ in $S'=S[x_{n+1}]$. If $e\geq deg(I)$, then $I_{\geq e}$ is stable if and only if $I'_{\geq e}$ is stable.