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	<title>Notes for AKT-090917-2/0:20:43 - Revision history</title>
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	<updated>2026-05-17T21:44:27Z</updated>
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		<id>https://drorbn.net/index.php?title=Notes_for_AKT-090917-2/0:20:43&amp;diff=7825&amp;oldid=prev</id>
		<title>Conan777 at 06:45, 19 September 2009</title>
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		<updated>2009-09-19T06:45:33Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Proof of the theorem from last hour: &amp;lt;math&amp;gt;j_{(n, \cdot)}&amp;lt;/math&amp;gt; is a type &amp;lt;math&amp;gt;n&amp;lt;/math&amp;gt; invariant.&lt;br /&gt;
(in fact we may prove the same for both the Conway and HOMFLY-PT polynomial)&lt;br /&gt;
Substitute &amp;lt;math&amp;gt;q=e^x&amp;lt;/math&amp;gt; into the Jones skein relation, simplify &amp;lt;math&amp;gt;J(&amp;lt;/math&amp;gt; double point &amp;lt;math&amp;gt;)&amp;lt;/math&amp;gt; and deduce the value of &amp;lt;math&amp;gt;J&amp;lt;/math&amp;gt; on a &amp;lt;math&amp;gt;n+1&amp;lt;/math&amp;gt; singular knot &amp;lt;math&amp;gt;\Rightarrow j_n&amp;lt;/math&amp;gt; vanishes on &amp;lt;math&amp;gt;\mathcal{K}_{n+1}&amp;lt;/math&amp;gt;.&lt;/div&gt;</summary>
		<author><name>Conan777</name></author>
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