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        <image:title>About numbers, episode 5 : Tensors</image:title>
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        <image:title>About numbers, episode 5 : Tensors</image:title>
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      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2010/11/ellipses-2-pointill%C3%A9s-300x181.gif</image:loc>
        <image:title>ellipses 2 pointillés</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2010/11/shake-cardinals-small.gif</image:loc>
        <image:title>shake cardinals small</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2010/11/equipotence-300x300.gif</image:loc>
        <image:title>equipotence</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2010/11/ordinaux-translation-1-e1443035704688.gif</image:loc>
        <image:title>ordinaux translation 1</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2010/11/cardinal-0-300x47.gif</image:loc>
        <image:title>cardinal 0</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2010/11/cardinal-1-e1443035793831.gif</image:loc>
        <image:title>cardinal 1</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2010/11/cardinal-2-300x47.gif</image:loc>
        <image:title>cardinal 2</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2010/11/cardinaux-ajout-1-300x102.gif</image:loc>
        <image:title>cardinaux ajout 1</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2010/11/cardinaux-ajout-300x73.gif</image:loc>
        <image:title>cardinaux ajout</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Tenseurs1-45x45.png</image:loc>
        <image:title>About numbers, episode 5 : Tensors</image:title>
      </image:image>
  </url>
  <url>
    <loc>https://www.naturelovesmath.com/en/mathematics/about-numbers-episode-3-rational-numbers/</loc>
    <lastmod>2016-09-28</lastmod>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Nature-loves-math-logo.png</image:loc>
        <image:title>Logo</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/nature-loves-math-small.png</image:loc>
        <image:title>Logo</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Vitruve-mini-300x266.jpg</image:loc>
        <image:title>L'homme de Vitruve</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Balles-et-pommes-300x105.jpg</image:loc>
        <image:title>Balles et pommes</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Balles-et-pommes-2-300x49.jpg</image:loc>
        <image:title>Balles et pommes</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Cardinal-2-300x111.jpg</image:loc>
        <image:title>Cardinal 2</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Cardinal-3-300x129.jpg</image:loc>
        <image:title>Cardinal 3</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Cardinal-21-300x111.jpg</image:loc>
        <image:title>Cardinal -2</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Cardinal-31-300x129.jpg</image:loc>
        <image:title>Cardinal -3</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Diagonale-300x268.jpg</image:loc>
        <image:title>Diagonale</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Tenseurs1-45x45.png</image:loc>
        <image:title>About numbers, episode 5 : Tensors</image:title>
      </image:image>
  </url>
  <url>
    <loc>https://www.naturelovesmath.com/en/mathematics/about-numbers-episode-5-tensors/</loc>
    <lastmod>2016-09-28</lastmod>
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        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Nature-loves-math-logo.png</image:loc>
        <image:title>Logo</image:title>
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        <image:title>Logo</image:title>
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      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/10/Forme-lineaire-1-2.png</image:loc>
        <image:title>Forme lineaire 1 2</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Changement-de-base-dual-contravariant-et-covariant.png</image:loc>
        <image:title>Change of dual basis covariant and contravariant components</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/bases-non-orthogonales-et-duales1.png</image:loc>
        <image:title></image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Representation-correcte-vs-incorrecte1.png</image:loc>
        <image:title>Correct representation of covariant and contravariant components</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/10/Tenseurs3-45x45.png</image:loc>
        <image:title>Tensors for the noob</image:title>
      </image:image>
  </url>
  <url>
    <loc>https://www.naturelovesmath.com/en/humor/the-myth-of-niels-bohr-and-the-barometer-question/</loc>
    <lastmod>2016-09-28</lastmod>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Nature-loves-math-logo.png</image:loc>
        <image:title>Logo</image:title>
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        <image:title>Logo</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Barometer_Goethe_02.jpg</image:loc>
        <image:title>Barometer_Goethe_02</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Tenseurs1-45x45.png</image:loc>
        <image:title>About numbers, episode 5 : Tensors</image:title>
      </image:image>
  </url>
  <url>
    <loc>https://www.naturelovesmath.com/en/mathematics/about-numbers-episode-4-infinite-numbers/</loc>
    <lastmod>2016-09-28</lastmod>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Nature-loves-math-logo.png</image:loc>
        <image:title>Logo</image:title>
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        <image:title>Logo</image:title>
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      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/infini-lemniscate-e1441840189966-300x195.jpg</image:loc>
        <image:title>infini-lemniscate</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/headline1.jpg</image:loc>
        <image:title>Toy Story - Vers l'infini et au-delà</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/ordinal-infini-300x156.png</image:loc>
        <image:title>ordinal-infini</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/ordinaux-transfinis-v6.png</image:loc>
        <image:title>ordinaux transfinis v6</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/cardinal-infini-300x174.png</image:loc>
        <image:title>cardinal-infini</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Hotel-de-Hilbert-occup%C3%A9-300x126.jpg</image:loc>
        <image:title>Hotel-de-Hilbert-occupé</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Hotel-de-Hilbert-occup%C3%A9-1libre-300x126.jpg</image:loc>
        <image:title>Hotel-de-Hilbert-occupé-1libre</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Hotel-de-Hilbert-occup%C3%A9-libre-300x126.jpg</image:loc>
        <image:title>Hotel-de-Hilbert-occupé-libre</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/escalier-infini-ruban-de-moebius-300x110.jpg</image:loc>
        <image:title>Impression</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Johan-Wallis-150x150.jpeg</image:loc>
        <image:title>Johan-Wallis</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Georg-Cantor-150x150.jpg</image:loc>
        <image:title>Georg-Cantor</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/karl-weierstrass-150x150.jpg</image:loc>
        <image:title>karl-weierstrass</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/rail-projectif-300x225.jpg</image:loc>
        <image:title>rail-projectif</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Tenseurs1-45x45.png</image:loc>
        <image:title>About numbers, episode 5 : Tensors</image:title>
      </image:image>
  </url>
  <url>
    <loc>https://www.naturelovesmath.com/en/mathematics/about-numbers-episode-2-integers/</loc>
    <lastmod>2016-09-28</lastmod>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Nature-loves-math-logo.png</image:loc>
        <image:title>Logo</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/nature-loves-math-small.png</image:loc>
        <image:title>Logo</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Ordinaux-relatifs-e1441836885876.jpg</image:loc>
        <image:title></image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Nombres-du-monde-e1441837083822.gif</image:loc>
        <image:title>Nombres du monde</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Coureurs.jpg</image:loc>
        <image:title>Coureurs</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/podium-0-300x288.jpg</image:loc>
        <image:title>podium 0</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Coureurs-relatifs.jpg</image:loc>
        <image:title>Coureurs relatifs</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Calendriers.jpg</image:loc>
        <image:title>Calendriers</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Cardinaux-relatifs-e1441837114488.jpg</image:loc>
        <image:title>Cardinaux relatifs</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Addition-et-soustraction.jpg</image:loc>
        <image:title>Addition et soustraction</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/fl%C3%A8che-2x3.jpg</image:loc>
        <image:title>flèche 2x3</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/fl%C3%A8che-2x-3.jpg</image:loc>
        <image:title>flèche 2x-3</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/fl%C3%A8che-5-5.jpg</image:loc>
        <image:title>flèche 5+5</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Balles-et-pommes-300x105.jpg</image:loc>
        <image:title>Balles et pommes</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/pommes-300x105.jpg</image:loc>
        <image:title>pommes</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Cardinal-11-300x129.jpg</image:loc>
        <image:title>Cardinal -1</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Cardinal-0-300x129.jpg</image:loc>
        <image:title>Cardinal 0</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Cardinal-1-300x129.jpg</image:loc>
        <image:title>Cardinal 1</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Tenseurs1-45x45.png</image:loc>
        <image:title>About numbers, episode 5 : Tensors</image:title>
      </image:image>
  </url>
  <url>
    <loc>https://www.naturelovesmath.com/en/history-of-physics/the-father-of-relativity-theory-einstein-vs-poincare/</loc>
    <lastmod>2016-09-28</lastmod>
      <image:image>
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        <image:title>Logo</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2010/11/Poincare-271x300.jpeg</image:loc>
        <image:title>Poincare</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2010/11/poinc-e1443036619490.jpg</image:loc>
        <image:title>poinc</image:title>
      </image:image>
      <image:image>
        <image:loc>https://www.naturelovesmath.com/wp-content/uploads/2015/09/Tenseurs1-45x45.png</image:loc>
        <image:title>About numbers, episode 5 : Tensors</image:title>
      </image:image>
  </url>
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