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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.

A stable property of Borel type ideals

Abstract

In this paper, we extend a result of Eisenbud-Reeves-Totaro in the frame of ideals of Borel type.

Paper Structure

This paper contains 2 sections, 7 theorems, 6 equations.

Key Result

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.

Theorems & Definitions (16)

  • Definition 1
  • Remark 2
  • Remark 3
  • Lemma 4
  • proof
  • Lemma 5
  • proof
  • Theorem 6
  • proof
  • Proposition 7
  • ...and 6 more