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    <title>Mathematics lecture notes</title>
    <link>https://e-sygoing.link/link/5291129-mathematics-lecture-notes</link>
    <description>Lecture notes collected by Matt Daws.</description>
    <pubDate>Tue, 09 Dec 2025 05:39:08 -0500</pubDate>
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    <title>MathPages</title>
    <link>https://e-sygoing.link/link/5291133-mathpages</link>
    <description>A collection of HTML lectures on various subjects in mathematics and physics.</description>
    <pubDate>Tue, 29 Jul 2025 17:16:34 -0400</pubDate>
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    <title>arXiv</title>
    <link>https://e-sygoing.link/link/5291124-arxiv</link>
    <description>E-print archive in various areas of physics, mathematics, nonlinear science, and computer science.</description>
    <pubDate>Tue, 24 Jun 2025 05:51:21 -0400</pubDate>
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    <title>Maths at sigma.ndo.co.uk</title>
    <link>https://e-sygoing.link/link/5291119-maths-at-sigmandocouk</link>
    <description>Lecture notes for various courses taught at the Univ. of Birmingham.</description>
    <pubDate>Wed, 18 Jun 2025 14:58:18 -0400</pubDate>
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    <title>Books On-line: QA</title>
    <link>https://e-sygoing.link/link/5291132-books-on-line-qa</link>
    <description>Online Books page at the University of Pennsylvania.</description>
    <pubDate>Thu, 20 Feb 2025 22:51:15 -0500</pubDate>
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    <title>Math eBooks</title>
    <link>https://e-sygoing.link/link/5291139-math-ebooks</link>
    <description>Commercial solved-problem guides on various math topics in PDF format.</description>
    <pubDate>Thu, 12 Dec 2024 13:06:09 -0500</pubDate>
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    <title>NUMerisation de Documents Anciens Mathematiques</title>
    <link>https://e-sygoing.link/link/5291143-numerisation-de-documents-anciens-mathematiques</link>
    <description>Digitized ancient mathematical documents in Grenoble.</description>
    <pubDate>Wed, 25 Sep 2024 15:58:28 -0400</pubDate>
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    <title>MATHnetBASE</title>
    <link>https://e-sygoing.link/link/5291140-mathnetbase</link>
    <description>Commercial library of mathematics texts and articles from CRC/Chapman and Hall.  Annual subscription required.</description>
    <pubDate>Mon, 20 Nov 2023 13:48:26 -0500</pubDate>
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    <title>Mathphysics.com</title>
    <link>https://e-sygoing.link/link/5291120-mathphysicscom</link>
    <description>This site exists primarily to host on-line textbooks and other scholarly materials in mathematics or physics.</description>
    <pubDate>Sun, 18 Jun 2023 19:04:42 -0400</pubDate>
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