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		<title>La conexión de Levi-Civita</title>
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		<pubDate>Mon, 15 Mar 2021 11:07:31 +0000</pubDate>
				<category><![CDATA[Geometría de Riemann]]></category>
		<category><![CDATA[Lecciones]]></category>
		<category><![CDATA[conexión compatible]]></category>
		<category><![CDATA[conexión de levi-civita]]></category>
		<category><![CDATA[conexión simétrica]]></category>
		<category><![CDATA[fórmula de koszul]]></category>
		<category><![CDATA[símbolos de christoffel]]></category>
		<category><![CDATA[teorema fundamental de la geometría de riemann]]></category>
		<guid isPermaLink="false">https://gravitacion.es/?p=1584</guid>

					<description><![CDATA[<p>Conexión compatible con la métrica. Conexión simétrica. Tensor torsión. Teorema fundamental de la geometría de Riemann. Fórmula de Koszul. Símbolos de Christoffel. Conexión de Levi-Civita.</p>
<p>La entrada <a href="https://gravitacion.es/la-conexion-de-levi-civita/">La conexión de Levi-Civita</a> aparece primero en <a href="https://gravitacion.es">Gravitación</a>.</p>
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<legend>BIBLIO</legend>
<blockquote><p>Introduction to Riemannian Manifolds.<br />
<cite>John M. Lee. <em>Springer Science</em>. <strong>2018</strong>. Capítulos 4 y 5.</cite>
</p></blockquote>
</fieldset>

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<fieldset>
<legend>Observación</legend>
<p>En otros textos clásicos se demuestra <strong>la existencia de la conexión de Levi-Civita</strong> partiendo de la fórmula de Koszul. Así se define <img loading="lazy" decoding="async" src="https://gravitacion.es/wp-content/ql-cache/quicklatex.com-280e23a89421bdcd410c0f735e624596_l3.png" class="ql-img-inline-formula quicklatex-auto-format" alt="&#92;&#110;&#97;&#98;&#108;&#97;&#95;&#88;&#32;&#89;" title="Rendered by QuickLaTeX.com" height="28" width="62" style="vertical-align: -5px;"/> como el único campo que satisface Koszul para cualquier campo <img loading="lazy" decoding="async" src="https://gravitacion.es/wp-content/ql-cache/quicklatex.com-8f611f06d8493aa3c48be15bfbc62d0e_l3.png" class="ql-img-inline-formula quicklatex-auto-format" alt="&#90;" title="Rendered by QuickLaTeX.com" height="22" width="20" style="vertical-align: 0px;"/> tangente a <img loading="lazy" decoding="async" src="https://gravitacion.es/wp-content/ql-cache/quicklatex.com-bbf1cdfcc5fd84f852f7ddff18d2e2ea_l3.png" class="ql-img-inline-formula quicklatex-auto-format" alt="&#77;" title="Rendered by QuickLaTeX.com" height="23" width="30" style="vertical-align: -1px;"/>. A continuación, habría que demostrar:</p>
<p>1) que es una conexión afín,<br />
2) que es simétrica, y<br />
3) que es compatible con la métrica.</p>
<p>Esto puede hacerse también sin muchos problemas y es un excelente ejercicio.<br />
</fieldset>
<p>La entrada <a href="https://gravitacion.es/la-conexion-de-levi-civita/">La conexión de Levi-Civita</a> aparece primero en <a href="https://gravitacion.es">Gravitación</a>.</p>
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