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	<updated>2026-05-02T15:39:53Z</updated>
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	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Barratt%E2%80%93Priddy_theorem&amp;diff=27521</id>
		<title>Barratt–Priddy theorem</title>
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		<updated>2013-10-27T03:30:19Z</updated>

		<summary type="html">&lt;p&gt;98.227.140.19: /* Relation with Quillen&amp;#039;s plus construction */&lt;/p&gt;
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&lt;div&gt;{{unreferenced|date=August 2012}}&lt;br /&gt;
In [[mathematical analysis]], &#039;&#039;&#039;decoupling&#039;&#039;&#039; is the sum of derivatives of a function &amp;lt;math&amp;gt; f: \R^n \to \R^k\!&amp;lt;/math&amp;gt; with respect to all the arguments. It can be viewed as the functional that minimizes the [[Lie derivative]] of the function &amp;lt;math&amp;gt; f &amp;lt;/math&amp;gt; along all the possible paths. Together with the [[super-trowel function]], it is one of the most used tools in the analysis of [[general equilibrium]] in economics.&lt;br /&gt;
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[[Category:Mathematical analysis]]&lt;br /&gt;
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{{mathanalysis-stub}}&lt;/div&gt;</summary>
		<author><name>98.227.140.19</name></author>
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