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		<title>Викиконспекты - Вклад участника [ru]</title>
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		<updated>2026-08-13T15:43:21Z</updated>
		<subtitle>Вклад участника</subtitle>
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		<id>http://neerc.ifmo.ru/wiki/index.php?title=%D0%9D%D0%B5%D0%B7%D0%B0%D0%B2%D0%B8%D1%81%D0%B8%D0%BC%D0%BE%D1%81%D1%82%D1%8C_%D0%BE%D0%BF%D1%80%D0%B5%D0%B4%D0%B5%D0%BB%D0%B8%D1%82%D0%B5%D0%BB%D1%8F_%D0%BE%D0%BF%D0%B5%D1%80%D0%B0%D1%82%D0%BE%D1%80%D0%B0_%D0%BE%D1%82_%D0%B1%D0%B0%D0%B7%D0%B8%D1%81%D0%B0._%D0%A2%D0%B5%D0%BE%D1%80%D0%B5%D0%BC%D0%B0_%D1%83%D0%BC%D0%BD%D0%BE%D0%B6%D0%B5%D0%BD%D0%B8%D1%8F_%D0%BE%D0%BF%D1%80%D0%B5%D0%B4%D0%B5%D0%BB%D0%B8%D1%82%D0%B5%D0%BB%D0%B5%D0%B9&amp;diff=32494</id>
		<title>Независимость определителя оператора от базиса. Теорема умножения определителей</title>
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				<updated>2013-06-14T22:19:28Z</updated>
		
		<summary type="html">&lt;p&gt;94.25.229.41: Новая страница: «==Критерий обратимости матрицы== {{Теорема |statement= Пусть &amp;lt;tex&amp;gt;\mathcal{A}&amp;lt;/tex&amp;gt;, &amp;lt;tex&amp;gt;\mathcal{B} \colon X \to X&amp;lt;/tex&amp;gt; (...»&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;==Критерий обратимости матрицы==&lt;br /&gt;
{{Теорема&lt;br /&gt;
|statement=&lt;br /&gt;
Пусть &amp;lt;tex&amp;gt;\mathcal{A}&amp;lt;/tex&amp;gt;, &amp;lt;tex&amp;gt;\mathcal{B} \colon X \to X&amp;lt;/tex&amp;gt; (автоморфизм). &amp;lt;br&amp;gt; Тогда &amp;lt;tex&amp;gt;\det (\mathcal{A} \cdot \mathcal{B}) = \det \mathcal{A} \cdot \det \mathcal{B}&amp;lt;/tex&amp;gt;&lt;br /&gt;
|proof =&lt;br /&gt;
&amp;lt;tex&amp;gt;\det (\mathcal{A} \cdot \mathcal{B}) {e_1} \land {e_2} \land... \land{e_n} = (\mathcal{A} \cdot \mathcal{B})^{\wedge_p}{e_1} \land {e_2} \land... \land{e_n}&amp;lt;/tex&amp;gt;&lt;br /&gt;
&lt;br /&gt;
}}&lt;/div&gt;</summary>
		<author><name>94.25.229.41</name></author>	</entry>

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