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<H1>subgraph isomorphism</H1>
<P>
(classic problem)

<P>
<strong>Definition:</strong>
Decide if there is a <a href="subgraph.html" tppabs="http://hissa.nist.gov/dads/HTML/subgraph.html"><em>subgraph</em></a> of one <a href="graph.html" tppabs="http://hissa.nist.gov/dads/HTML/graph.html"><em>graph</em></a> which is  <a href="isomorphic.html" tppabs="http://hissa.nist.gov/dads/HTML/isomorphic.html"><em>isomorphic</em></a> to another graph.
<P><em>Note:
This is known to be <a href="npcomplete.html" tppabs="http://hissa.nist.gov/dads/HTML/npcomplete.html"><em>NP-complete</em></a>.  After [ATCH, page 6-21].</em>
<P>Author: <a href="terms.html#authorPEB" tppabs="http://hissa.nist.gov/dads/terms.html#authorPEB">PEB</a>
<H2>More information</H2>
A large  <A HREF="javascript:if(confirm('http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.ics.uci.edu/%7Eeppstein/bibs/subiso.bib  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.ics.uci.edu/%7Eeppstein/bibs/subiso.bib'" tppabs="http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.ics.uci.edu/%7Eeppstein/bibs/subiso.bib">bibtex bibliography</A>.

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<p>
Entry modified Wed Nov 10 13:52:25 1999.<BR>
HTML page formatted Wed Dec 22 09:36:39 1999.

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This page's URL is
<A href="subgraphiso.html" tppabs="http://hissa.nist.gov/dads/HTML/subgraphiso.html">http://hissa.nist.gov/dads/HTML/subgraphiso.html</A>

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