<?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>DlocalizeAll -- localization of a D-module (extended version)</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="___Dlocalize__Map.html">next</a> | <a href="___Dlocalize_lp..._cm_sp__Strategy_sp_eq_gt_sp..._rp.html">previous</a> | <a href="___Dlocalize__Map.html">forward</a> | <a href="___Dlocalize_lp..._cm_sp__Strategy_sp_eq_gt_sp..._rp.html">backward</a> | up | <a href="index.html">top</a> | <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>DlocalizeAll -- localization of a D-module (extended version)</h1> <div class="single"><h2>Synopsis</h2> <ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>DlocalizeAll(M,f), DlocalizeAll(I,f)</tt></div> </dd></dl> </div> </li> <li><div class="single">Inputs:<ul><li><span><tt>M</tt>, <span>a <a href="../../Macaulay2Doc/html/___Module.html">module</a></span>, over the Weyl algebra <em>D</em></span></li> <li><span><tt>I</tt>, <span>an <a href="../../Macaulay2Doc/html/___Ideal.html">ideal</a></span>, which represents the module <em>M = D/I</em></span></li> <li><span><tt>f</tt>, <span>a <a href="../../Macaulay2Doc/html/___Ring__Element.html">ring element</a></span>, a polynomial</span></li> </ul> </div> </li> <li><div class="single">Outputs:<ul><li><span><span>a <a href="../../Macaulay2Doc/html/___Hash__Table.html">hash table</a></span>, which contains the localized moduleM<sub>f</sub> = M[f<sup>-1</sup>] and some additional information</span></li> </ul> </div> </li> <li><div class="single"><a href="../../Macaulay2Doc/html/_using_spfunctions_spwith_spoptional_spinputs.html">Optional inputs</a>:<ul><li><span><a href="___Dlocalize_lp..._cm_sp__Strategy_sp_eq_gt_sp..._rp.html">Strategy => ...</a>, -- strategy for computing a localization of a D-module</span></li> </ul> </div> </li> </ul> </div> <div class="single"><h2>Description</h2> <div>An extension of <a href="___Dlocalize.html" title="localization of a D-module">Dlocalize</a> that in addition computes the localization map, the b-function, and the power s of the generator f<sup>s</sup>.<table class="examples"><tr><td><pre>i1 : W = QQ[x,y,Dx,Dy, WeylAlgebra => {x=>Dx,y=>Dy}] o1 = W o1 : PolynomialRing</pre> </td></tr> <tr><td><pre>i2 : M = W^1/(ideal(x*Dx+1, Dy)) o2 = cokernel | xDx+1 Dy | 1 o2 : W-module, quotient of W</pre> </td></tr> <tr><td><pre>i3 : f = x^2-y^3 3 2 o3 = - y + x o3 : W</pre> </td></tr> <tr><td><pre>i4 : DlocalizeAll(M, f) o4 = HashTable{GeneratorPower => -2 } 4 5 5 7 IntegrateBfunction => (s)(s + 1)(s + -)(s + -)(s + -)(s + -) 3 3 6 6 LocMap => | y6-2x2y3+x4 | LocModule => cokernel | 3xDx+2yDy+15 y3Dy-x2Dy+6y2 | o4 : HashTable</pre> </td></tr> </table> </div> </div> <div class="single"><h2>See also</h2> <ul><li><span><a href="___Dlocalize.html" title="localization of a D-module">Dlocalize</a> -- localization of a D-module</span></li> <li><span><a href="___Ann__Fs.html" title="the annihilating ideal of f^s">AnnFs</a> -- the annihilating ideal of f^s</span></li> <li><span><a href="___Dintegration.html" title="integration modules of a D-module">Dintegration</a> -- integration modules of a D-module</span></li> </ul> </div> <div class="waystouse"><h2>Ways to use <tt>DlocalizeAll</tt> :</h2> <ul><li>DlocalizeAll(Ideal,RingElement)</li> <li>DlocalizeAll(Module,RingElement)</li> </ul> </div> </div> </body> </html>