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	<title>Comments on: Complexity Zoo</title>
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	<description>Dedicated to the mathematical arts.</description>
	<pubDate>Tue, 07 Oct 2008 19:58:31 +0000</pubDate>
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		<title>By: Walt</title>
		<link>http://www.arsmathematica.net/archives/2006/02/20/complexity-zoo/#comment-475</link>
		<dc:creator>Walt</dc:creator>
		<pubDate>Sat, 25 Feb 2006 03:49:58 +0000</pubDate>
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		<description>There are really 4000 known complexity classes?</description>
		<content:encoded><![CDATA[<p>There are really 4000 known complexity classes?</p>
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		<title>By: PeterMcB</title>
		<link>http://www.arsmathematica.net/archives/2006/02/20/complexity-zoo/#comment-474</link>
		<dc:creator>PeterMcB</dc:creator>
		<pubDate>Wed, 22 Feb 2006 11:14:48 +0000</pubDate>
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		<description>I mentioned this to my colleagues in Computer Science working in computational complexity, and one estimate was that the Complexity Zoo has only about 10% of all the complexity classes so far identified in the literature!!!</description>
		<content:encoded><![CDATA[<p>I mentioned this to my colleagues in Computer Science working in computational complexity, and one estimate was that the Complexity Zoo has only about 10% of all the complexity classes so far identified in the literature!!!</p>
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