<?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>icFracP(..., Verbosity => ...) -- Prints out the conductor element and the number of intermediate modules it computed.</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="_ic__Fractions.html">next</a> | <a href="_ic__Frac__P_lp..._cm_sp__Limit_sp_eq_gt_sp..._rp.html">previous</a> | <a href="_ic__Fractions.html">forward</a> | <a href="_ic__Frac__P_lp..._cm_sp__Limit_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>icFracP(..., Verbosity => ...) -- Prints out the conductor element and the number of intermediate modules it computed.</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>icFracP(R, Verbosity => ZZ)</tt></div> </dd></dl> </div> </li> </ul> </div> <div class="single"><h2>Description</h2> <div>The main use of the extra information is in computing the integral closure of principal ideals in <tt>R</tt>, via <a href="_ic__P__Ideal.html" title="compute the integral closure in prime characteristic of a principal ideal">icPIdeal</a>.<table class="examples"><tr><td><pre>i1 : R=ZZ/3[u,v,x,y]/ideal(u*x^2-v*y^2);</pre> </td></tr> <tr><td><pre>i2 : icFracP(R, Verbosity => 1) Number of steps: 3, Conductor Element: x^2 u*x o2 = {1, ---} y o2 : List</pre> </td></tr> <tr><td><pre>i3 : S = ZZ/3[x,y,u,v];</pre> </td></tr> <tr><td><pre>i4 : R = S/kernel map(S,S,{x-y,x+y^2,x*y,x^2});</pre> </td></tr> <tr><td><pre>i5 : icFracP(R, Verbosity => 1) Number of steps: 4, Conductor Element: x*u*v^2-x*v^3 u - v x + y - v o5 = {-----, ---------, 1} x x + 1 o5 : List</pre> </td></tr> </table> </div> </div> <h2>Further information</h2> <ul><li><span>Default value: <tt>0</tt></span></li> <li><span>Function: <span><a href="_ic__Frac__P.html" title="compute the integral closure in prime characteristic">icFracP</a> -- compute the integral closure in prime characteristic</span></span></li> <li><span>Option name: <span><a href="___Verbosity.html" title="optional argument describing how verbose the output should be">Verbosity</a> -- optional argument describing how verbose the output should be</span></span></li> </ul> </div> </body> </html>