<?xml version="1.0" encoding="utf-8" ?> <!-- for emacs: -*- coding: utf-8 -*- --> <!-- Apache may like this line in the file .htaccess: AddCharset utf-8 .html --> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg-flat.dtd" > <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head><title>PrimaryDecomposition</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="_associated__Primes_lp__Ideal_rp.html">next</a> | previous | <a href="_irreducible__Decomposition_lp__Monomial__Ideal_rp.html">forward</a> | backward | up | top | <a href="master.html">index</a> | <a href="toc.html">toc</a> | <a href="http://www.math.uiuc.edu/Macaulay2/">Macaulay2 web site</a></div> </td> </tr> </table> <hr/> <div><h1>PrimaryDecomposition</h1> <div class="single"><h2>Description</h2> <div>This package provides computations with components of ideals, including minimal and associated primes, radicals, and primary decompositions of ideals.</div> </div> <div class="single"><h2>See also</h2> <ul><li><span><a href="_primary__Decomposition.html" title="irredundant primary decomposition of an ideal">primaryDecomposition(Ideal)</a> -- irredundant primary decomposition of an ideal</span></li> </ul> </div> <div class="single"><h2>Author</h2> <ul><li><div class="single">Michael E. Stillman<span> <<a href="mailto:mike@math.cornell.edu">mike@math.cornell.edu</a>></span></div> </li> </ul> </div> <div class="single"><h2>Version</h2> This documentation describes version <b>1.0</b> of PrimaryDecomposition.</div> <div class="single"><h2>Source code</h2> The source code from which this documentation is derived is in the file <a href="../../../../Macaulay2/PrimaryDecomposition.m2">PrimaryDecomposition.m2</a>. The auxiliary files accompanying it are in the directory <a href="../../../../Macaulay2/PrimaryDecomposition/">PrimaryDecomposition/</a>.</div> <div class="single"><h2>Exports</h2> <ul><li><div class="single">Types<ul><li><span>Hybrid, see <span><a href="_primary__Decomposition_lp..._cm_sp__Strategy_sp_eq_gt_sp..._rp.html" title="">primaryDecomposition(..., Strategy => ...)</a></span></span></li> </ul> </div> </li> <li><div class="single">Functions<ul><li><span>irreducibleDecomposition, see <span><a href="_irreducible__Decomposition_lp__Monomial__Ideal_rp.html" title="express a monomial ideal as an intersection of irreducible monomial ideals">irreducibleDecomposition(MonomialIdeal)</a> -- express a monomial ideal as an intersection of irreducible monomial ideals</span></span></li> <li><span><a href="_is__Primary.html" title="determine whether an ideal is primary">isPrimary</a> -- determine whether an ideal is primary</span></li> <li><span>localize, see <span><a href="_localize_lp__Ideal_cm__Ideal_rp.html" title="localize an ideal at a prime ideal">localize(Ideal,Ideal)</a> -- localize an ideal at a prime ideal</span></span></li> <li><span>primaryComponent, see <span><a href="_primary__Component_lp__Ideal_cm__Ideal_rp.html" title="find a primary component corresponding to an associated prime">primaryComponent(Ideal,Ideal)</a> -- find a primary component corresponding to an associated prime</span></span></li> <li><span><a href="_primary__Decomposition.html" title="irredundant primary decomposition of an ideal">primaryDecomposition</a> -- irredundant primary decomposition of an ideal</span></li> </ul> </div> </li> <li><div class="single">Symbols<ul><li><span>Increment, see <span><a href="_primary__Component_lp..._cm_sp__Increment_sp_eq_gt_sp..._rp.html" title="">primaryComponent(..., Increment => ...)</a></span></span></li> <li><span>EisenbudHunekeVasconcelos, see <span><a href="_primary__Decomposition_lp..._cm_sp__Strategy_sp_eq_gt_sp..._rp.html" title="">primaryDecomposition(..., Strategy => ...)</a></span></span></li> <li><span>GTZ, see <span><a href="_primary__Decomposition_lp..._cm_sp__Strategy_sp_eq_gt_sp..._rp.html" title="">primaryDecomposition(..., Strategy => ...)</a></span></span></li> <li><span>ShimoyamaYokoyama, see <span><a href="_primary__Decomposition_lp..._cm_sp__Strategy_sp_eq_gt_sp..._rp.html" title="">primaryDecomposition(..., Strategy => ...)</a></span></span></li> </ul> </div> </li> </ul> </div> <div><h3>Menu</h3> <ul><li><span><a href="_associated__Primes_lp__Ideal_rp.html" title="find the associated primes of an ideal">associatedPrimes(Ideal)</a> -- find the associated primes of an ideal</span></li> <li><span><a href="_localize_lp__Ideal_cm__Ideal_rp.html" title="localize an ideal at a prime ideal">localize(Ideal,Ideal)</a> -- localize an ideal at a prime ideal</span></li> <li><span><a href="_localize_lp..._cm_sp__Strategy_sp_eq_gt_sp..._rp.html" title="">localize(..., Strategy => ...)</a></span></li> <li><span><a href="_primary__Component_lp__Ideal_cm__Ideal_rp.html" title="find a primary component corresponding to an associated prime">primaryComponent(Ideal,Ideal)</a> -- find a primary component corresponding to an associated prime</span></li> <li><span><a href="_primary__Component_lp..._cm_sp__Strategy_sp_eq_gt_sp..._rp.html" title="">primaryComponent(..., Strategy => ...)</a></span></li> <li><span><a href="_primary__Component_lp..._cm_sp__Increment_sp_eq_gt_sp..._rp.html" title="">primaryComponent(..., Increment => ...)</a></span></li> <li><span>primaryDecomposition(Ideal), see <span><a href="_primary__Decomposition.html" title="irredundant primary decomposition of an ideal">primaryDecomposition</a> -- irredundant primary decomposition of an ideal</span></span></li> <li><span><a href="_primary__Decomposition_lp..._cm_sp__Strategy_sp_eq_gt_sp..._rp.html" title="">primaryDecomposition(..., Strategy => ...)</a></span></li> </ul> </div> </div> </body> </html>