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<!-- 

  intro.xml            GradedRingForHomalg package documentation               Mohamed Barakat
                                                                        Markus Lange-Hegermann

         Copyright (C) 2010, Mohamed Barakat, University of Kaiserslautern
                      Markus Lange-Hegermann, RWTH-Aachen University

This chapter gives a short introduction and explains the philosophy
behind the package.

-->

<Chapter Label="intro">
  <Heading>Introduction</Heading>

  <Section Label="role">
    <Heading>What is the Role of the &GradedRingForHomalg; Package in
    the &homalg; Project?</Heading> The &homalg; project
    <Cite Key="homalg-project"/> aims at providing a general and
    abstract framework for homological computations. The package
    &GradedRingForHomalg; enables the &homalg; project to endow
    commutative rings in &homalg; with an Abelian grading.
  </Section>

  <Section Label="Functionality">
    <Heading>Functionality</Heading> The package &GradedRingForHomalg;
    on the one hand builds on the package &MatricesForHomalg; and on
    the other hands adds functionality to &MatricesForHomalg;.
  </Section>

  <Section Label="math">
    <Heading>The Math Behind This Package</Heading>
  </Section>

</Chapter>