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	<title>Belt filter - Revision history</title>
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	<updated>2026-04-20T06:42:41Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Belt_filter&amp;diff=24556&amp;oldid=prev</id>
		<title>en&gt;BD2412: unlink generic brand name NewsCenter using AWB</title>
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		<updated>2014-02-03T16:04:13Z</updated>

		<summary type="html">&lt;p&gt;unlink generic brand name NewsCenter using &lt;a href=&quot;/index.php?title=Testwiki:AWB&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Testwiki:AWB (page does not exist)&quot;&gt;AWB&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;[[Theta function]]s&amp;#039;&amp;#039;&amp;#039; &amp;lt;math&amp;gt;\vartheta(z;\tau)&amp;lt;/math&amp;gt; are special functions of several complex variables. Theta function may also refer to:&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Jacobi-related functions&amp;#039;&amp;#039;&amp;#039;:&lt;br /&gt;
*[[Q-theta function]] &amp;lt;math&amp;gt;\theta(z;q)&amp;lt;/math&amp;gt;, a type of q-series&lt;br /&gt;
*[[Theta function  of a lattice]] &amp;lt;math&amp;gt;\Theta_\Lambda(\tau)&amp;lt;/math&amp;gt;, a holomorphic function on the upper half-plane&lt;br /&gt;
*[[Mock theta function]]s &amp;lt;math&amp;gt;\mu(q), f(q), \phi(q), \psi(q), \chi(q)&amp;lt;/math&amp;gt;, etc., a mock modular form of weight 1/2&lt;br /&gt;
*[[Ramanujan theta function]] &amp;lt;math&amp;gt;f(a,b)&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Other functions&amp;#039;&amp;#039;&amp;#039;:&lt;br /&gt;
*[[Riemann–Siegel theta function]] &amp;lt;math&amp;gt;\theta(t)&amp;lt;/math&amp;gt;&lt;br /&gt;
*[[Chebyshev function]] &amp;lt;math&amp;gt;\vartheta(x)&amp;lt;/math&amp;gt;&lt;br /&gt;
*[[Feferman&amp;#039;s function]] &amp;lt;math&amp;gt;\theta_\alpha(\beta)&amp;lt;/math&amp;gt;&lt;br /&gt;
*[[Heaviside step function]] sometimes denoted &amp;lt;math&amp;gt;\theta(x)&amp;lt;/math&amp;gt;&lt;br /&gt;
*[[Lovász number|Lovász theta function]], an upper bound on the [[Shannon capacity]] of a graph&lt;br /&gt;
&lt;br /&gt;
==See also==&lt;br /&gt;
*[[Jacobi theta functions (notational variations)]] &amp;lt;math&amp;gt;\vartheta_{ij}(z;\tau), \vartheta_j(z), \theta_i(z;q)&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{{mathdab}}&lt;/div&gt;</summary>
		<author><name>en&gt;BD2412</name></author>
	</entry>
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