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	<title>Notes for BBS/BCHKW-110516-160040.jpg - Revision history</title>
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	<updated>2026-05-18T11:21:37Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://drorbn.net/index.php?title=Notes_for_BBS/BCHKW-110516-160040.jpg&amp;diff=10571&amp;oldid=prev</id>
		<title>Drorbn at 15:16, 6 June 2011</title>
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		<updated>2011-06-06T15:16:10Z</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;&amp;lt;math&amp;gt;\delta(E_{i,i+k}) = E_{i,i+k}\wedge(E_{i,i}-E_{i+k,i+k})&lt;br /&gt;
  + 2\sum_{j=1}^{k-1} E_{i+j,i+k}\wedge E_{i,i+j}&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;math&amp;gt;\delta(E_{i+k,i}) = E_{i+k,i}\wedge(E_{i,i}-E_{i+k,i+k})&lt;br /&gt;
  + 2\sum_{j=1}^{k-1} E_{i+k,i+j}\wedge E_{i+j,i}&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;math&amp;gt;\delta(E_{i,i}) = 0&amp;lt;/math&amp;gt;&lt;/div&gt;</summary>
		<author><name>Drorbn</name></author>
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