<
html><
head><
title>aclib : a GAP
4 package - Index </
title></
head>
<
body text=
"#000000" bgcolor=
"#ffffff">
<
h1><
font face=
"Gill Sans,Helvetica,Arial">aclib</
font> : a <
font face=
"Gill Sans,Helvetica,Arial">GAP</
font>
4 package - Index </
h1>
<p>
<a href=
"#idxA">A</A>
<a href=
"#idxB">B</A>
<a href=
"#idxD">D</A>
<a href=
"#idxE">E</A>
<a href=
"#idxH">H</A>
<a href=
"#idxI">I</A>
<a href=
"#idxM">M</A>
<a href=
"#idxN">N</A>
<a href=
"#idxO">O</A>
<a href=
"#idxP">P</A>
<a href=
"#idxR">R</A>
<a href=
"#idxT">T</A>
<H2><A NAME=
"idxA">A</A></H2>
<
dl>
<
dt>Algorithms for almost crystallographic groups <a href=
"CHAP002.htm">
2.
0</a>
<
dt>AlmostCrystallographicDim3 <a href=
"CHAP003.htm#SSEC001.1">
3.
1.
1</a>
<
dt>AlmostCrystallographicDim4 <a href=
"CHAP003.htm#SSEC001.1">
3.
1.
1</a>
<
dt>AlmostCrystallographicGroup <a href=
"CHAP003.htm#SSEC001.1">
3.
1.
1</a>
<
dt>AlmostCrystallographicInfo <a href=
"CHAP003.htm#SSEC003.1">
3.
3.
1</a>
<
dt>AlmostCrystallographicPcpDim3 <a href=
"CHAP003.htm#SSEC002.1">
3.
2.
1</a>
<
dt>AlmostCrystallographicPcpDim4 <a href=
"CHAP003.htm#SSEC002.1">
3.
2.
1</a>
<
dt>AlmostCrystallographicPcpGroup <a href=
"CHAP003.htm#SSEC002.1">
3.
2.
1</a>
</
dl><p>
<H2><A NAME=
"idxB">B</A></H2>
<
dl>
<
dt>Betti numbers <a href=
"CHAP002.htm#SECT002">
2.
2</a>
<
dt>BettiNumber <a href=
"CHAP002.htm#SSEC002.2">
2.
2.
2</a>
<
dt>BettiNumbers <a href=
"CHAP002.htm#SSEC002.3">
2.
2.
3</a>
</
dl><p>
<H2><A NAME=
"idxD">D</A></H2>
<
dl>
<
dt>Determination of certain extensions <a href=
"CHAP002.htm#SECT003">
2.
3</a>
</
dl><p>
<H2><A NAME=
"idxE">E</A></H2>
<
dl>
<
dt>Example computations I <a href=
"CHAP004.htm#SECT001">
4.
1</a>
<
dt>Example computations II <a href=
"CHAP004.htm#SECT002">
4.
2</a>
<
dt>Example computations III <a href=
"CHAP004.htm#SECT003">
4.
3</a>
<
dt>Example computations with almost crystallographic groups <a href=
"CHAP004.htm">
4.
0</a>
</
dl><p>
<H2><A NAME=
"idxH">H</A></H2>
<
dl>
<
dt>HasExtensionOfType <a href=
"CHAP002.htm#SSEC003.1">
2.
3.
1</a>
<
dt>HolonomyGroup <a href=
"CHAP003.htm#SSEC002.3">
3.
2.
3</a>
</
dl><p>
<H2><A NAME=
"idxI">I</A></H2>
<
dl>
<
dt>IsAlmostBieberbachGroup <a href=
"CHAP002.htm#SSEC001.2">
2.
1.
2</a>
<
dt>IsAlmostCrystallographic <a href=
"CHAP002.htm#SSEC001.1">
2.
1.
1</a>
<
dt>IsomorphismPcpGroup <a href=
"CHAP003.htm#SSEC002.2">
3.
2.
2</a>
</
dl><p>
<H2><A NAME=
"idxM">M</A></H2>
<
dl>
<
dt>More about almost crystallographic groups <a href=
"CHAP001.htm#SECT001">
1.
1</a>
<
dt>More about the type and the defining parameters <a href=
"CHAP003.htm#SECT003">
3.
3</a>
</
dl><p>
<H2><A NAME=
"idxN">N</A></H2>
<
dl>
<
dt>NaturalHomomorphismOnHolonomyGroup <a href=
"CHAP003.htm#SSEC002.3">
3.
2.
3</a>
</
dl><p>
<H2><A NAME=
"idxO">O</A></H2>
<
dl>
<
dt>OrientationModule <a href=
"CHAP002.htm#SSEC002.1">
2.
2.
1</a>
</
dl><p>
<H2><A NAME=
"idxP">P</A></H2>
<
dl>
<
dt>Polycyclically presented groups <a href=
"CHAP003.htm#SECT002">
3.
2</a>
<
dt>Properties of almost crystallographic groups <a href=
"CHAP002.htm#SECT001">
2.
1</a>
</
dl><p>
<H2><A NAME=
"idxR">R</A></H2>
<
dl>
<
dt>Rational matrix groups <a href=
"CHAP003.htm#SECT001">
3.
1</a>
</
dl><p>
<H2><A NAME=
"idxT">T</A></H2>
<
dl>
<
dt>The Almost Crystallographic Groups Package <a href=
"CHAP001.htm">
1.
0</a>
<
dt>The catalog of almost crystallographic groups <a href=
"CHAP003.htm">
3.
0</a>
<
dt>The electronic versus the printed library <a href=
"CHAP003.htm#SECT004">
3.
4</a>
</
dl><p>
[<a href=
"chapters.htm">Up</a>]<p>
<P>
<
address>aclib manual<
br>August
2025
</
address></
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