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		<title><![CDATA[MKLab - DIFFERENTIAL GEOMETRY]]></title>
		<link>https://mklab.gr/</link>
		<description><![CDATA[MKLab - https://mklab.gr]]></description>
		<pubDate>Wed, 29 Jul 2026 08:23:45 +0000</pubDate>
		<generator>MyBB</generator>
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			<title><![CDATA[A visual introduction to curved geometry [Urbański]]]></title>
			<link>https://mklab.gr/showthread.php?tid=746</link>
			<pubDate>Fri, 26 Jun 2026 17:45:14 +0300</pubDate>
			<dc:creator><![CDATA[<a href="https://mklab.gr/member.php?action=profile&uid=1">mklabgr</a>]]></dc:creator>
			<guid isPermaLink="false">https://mklab.gr/showthread.php?tid=746</guid>
			<description><![CDATA[<span style="font-weight: bold;" class="mycode_b">A visual introduction to curved geometry for physicists </span><br />
<span style="font-weight: bold;" class="mycode_b">BY Karol Urbański</span><br />
<br />
<span style="font-weight: bold;" class="mycode_b">Summary</span><br />
<br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #1f1f1f;" class="mycode_color"><span style="font-family: 'Google Sans Text', sans-serif;" class="mycode_font">In this paper, author Karol Urbański offers a refreshing, visual approach to learning differential geometry, tailored specifically for physics students who already understand special relativity but find abstract math a bit daunting. </span></span></span><br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #1f1f1f;" class="mycode_color"><span style="font-family: 'Google Sans Text', sans-serif;" class="mycode_font">Rather than relying on heavy equations, the guide uses intuitive diagrams to help students visualize curved spaces—specifically Riemannian and Lorentzian manifolds—and explores tricky concepts like Thomas precession and Foucault's pendulum through drawings. </span></span></span><br />
<br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #1f1f1f;" class="mycode_color"><span style="font-family: 'Google Sans Text', sans-serif;" class="mycode_font">By introducing a new way to map distortion in spacetime diagrams and offering an easy method to build Carter-Penrose diagrams, the paper essentially builds a friendly pedagogical bridge, turning complex geometric theory into something visual, accessible, and deeply intuitive. </span></span></span><br />
<br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #1f1f1f;" class="mycode_color"><span style="font-family: 'Google Sans Text', sans-serif;" class="mycode_font"><a href="https://arxiv.org/pdf/2603.24409" target="_blank" rel="noopener" class="mycode_url">ARTICLE (PDF)</a></span></span></span>]]></description>
			<content:encoded><![CDATA[<span style="font-weight: bold;" class="mycode_b">A visual introduction to curved geometry for physicists </span><br />
<span style="font-weight: bold;" class="mycode_b">BY Karol Urbański</span><br />
<br />
<span style="font-weight: bold;" class="mycode_b">Summary</span><br />
<br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #1f1f1f;" class="mycode_color"><span style="font-family: 'Google Sans Text', sans-serif;" class="mycode_font">In this paper, author Karol Urbański offers a refreshing, visual approach to learning differential geometry, tailored specifically for physics students who already understand special relativity but find abstract math a bit daunting. </span></span></span><br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #1f1f1f;" class="mycode_color"><span style="font-family: 'Google Sans Text', sans-serif;" class="mycode_font">Rather than relying on heavy equations, the guide uses intuitive diagrams to help students visualize curved spaces—specifically Riemannian and Lorentzian manifolds—and explores tricky concepts like Thomas precession and Foucault's pendulum through drawings. </span></span></span><br />
<br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #1f1f1f;" class="mycode_color"><span style="font-family: 'Google Sans Text', sans-serif;" class="mycode_font">By introducing a new way to map distortion in spacetime diagrams and offering an easy method to build Carter-Penrose diagrams, the paper essentially builds a friendly pedagogical bridge, turning complex geometric theory into something visual, accessible, and deeply intuitive. </span></span></span><br />
<br />
<span style="font-weight: bold;" class="mycode_b"><span style="color: #1f1f1f;" class="mycode_color"><span style="font-family: 'Google Sans Text', sans-serif;" class="mycode_font"><a href="https://arxiv.org/pdf/2603.24409" target="_blank" rel="noopener" class="mycode_url">ARTICLE (PDF)</a></span></span></span>]]></content:encoded>
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		<item>
			<title><![CDATA[Lie Groups: Beyond an Introduction [Knapp]]]></title>
			<link>https://mklab.gr/showthread.php?tid=220</link>
			<pubDate>Wed, 10 Jun 2026 01:55:22 +0300</pubDate>
			<dc:creator><![CDATA[<a href="https://mklab.gr/member.php?action=profile&uid=1">mklabgr</a>]]></dc:creator>
			<guid isPermaLink="false">https://mklab.gr/showthread.php?tid=220</guid>
			<description><![CDATA[<span style="color: #1e1915;" class="mycode_color"><span style="font-family: 'Proxima Nova', Montserrat, Arial, sans-serif;" class="mycode_font"><span style="font-family: Copernicus, 'Libre Baskerville', Georgia, serif;" class="mycode_font">Lie Groups: Beyond an Introduction</span></span></span><br />
<div style="text-align: left;" class="mycode_align"><span style="color: #1e1915;" class="mycode_color"><span style="font-family: 'Proxima Nova', Montserrat, Arial, sans-serif;" class="mycode_font"><span style="font-family: Copernicus, 'Libre Baskerville', Georgia, serif;" class="mycode_font"><a href="https://www.goodreads.com/author/show/759458.Anthony_W_Knapp" target="_blank" rel="noopener" class="mycode_url">Anthony W. Knapp</a></span></span></span></div>
<br />
<br />
Summary  <span style="color: #1e1915;" class="mycode_color"><span style="font-family: 'Proxima Nova', Montserrat, Arial, sans-serif;" class="mycode_font">This book takes the reader from the end of introductory Lie group theory to the threshold of infinite-dimensional group representations. Merging algebra and analysis throughout, the author uses Lie-theoretic methods to develop a beautiful theory having wide applications in mathematics and physics. The book initially shares insights that make use of actual matrices; it later relies on such structural features as properties of root systems.</span></span><br />
<br />
<span style="color: #1e1915;" class="mycode_color"><span style="font-family: 'Proxima Nova', Montserrat, Arial, sans-serif;" class="mycode_font"><a href="https://www.math.stonybrook.edu/~aknapp/download.html" target="_blank" rel="noopener" class="mycode_url">BOOK PAGE</a></span></span>]]></description>
			<content:encoded><![CDATA[<span style="color: #1e1915;" class="mycode_color"><span style="font-family: 'Proxima Nova', Montserrat, Arial, sans-serif;" class="mycode_font"><span style="font-family: Copernicus, 'Libre Baskerville', Georgia, serif;" class="mycode_font">Lie Groups: Beyond an Introduction</span></span></span><br />
<div style="text-align: left;" class="mycode_align"><span style="color: #1e1915;" class="mycode_color"><span style="font-family: 'Proxima Nova', Montserrat, Arial, sans-serif;" class="mycode_font"><span style="font-family: Copernicus, 'Libre Baskerville', Georgia, serif;" class="mycode_font"><a href="https://www.goodreads.com/author/show/759458.Anthony_W_Knapp" target="_blank" rel="noopener" class="mycode_url">Anthony W. Knapp</a></span></span></span></div>
<br />
<br />
Summary  <span style="color: #1e1915;" class="mycode_color"><span style="font-family: 'Proxima Nova', Montserrat, Arial, sans-serif;" class="mycode_font">This book takes the reader from the end of introductory Lie group theory to the threshold of infinite-dimensional group representations. Merging algebra and analysis throughout, the author uses Lie-theoretic methods to develop a beautiful theory having wide applications in mathematics and physics. The book initially shares insights that make use of actual matrices; it later relies on such structural features as properties of root systems.</span></span><br />
<br />
<span style="color: #1e1915;" class="mycode_color"><span style="font-family: 'Proxima Nova', Montserrat, Arial, sans-serif;" class="mycode_font"><a href="https://www.math.stonybrook.edu/~aknapp/download.html" target="_blank" rel="noopener" class="mycode_url">BOOK PAGE</a></span></span>]]></content:encoded>
		</item>
		<item>
			<title><![CDATA[Discrete Differential Geometry [Crane]]]></title>
			<link>https://mklab.gr/showthread.php?tid=158</link>
			<pubDate>Mon, 08 Jun 2026 20:26:35 +0300</pubDate>
			<dc:creator><![CDATA[<a href="https://mklab.gr/member.php?action=profile&uid=1">mklabgr</a>]]></dc:creator>
			<guid isPermaLink="false">https://mklab.gr/showthread.php?tid=158</guid>
			<description><![CDATA[<span style="font-weight: bold;" class="mycode_b"><a href="http://www.cs.cmu.edu/~kmcrane/Projects/DDG/paper.pdf" target="_blank" rel="noopener" class="mycode_url"><span style="color: #0969da;" class="mycode_color"><span style="text-decoration: underline;" class="mycode_u">Discrete Differential Geometry</span></span></a><span style="color: #1f2328;" class="mycode_color"> </span></span><br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b">Keenan Crane</span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><span style="font-family: 'Google Sans', Arial, sans-serif;" class="mycode_font">Keenan Crane’s </span><span style="font-style: italic;" class="mycode_i"><span style="font-family: 'Google Sans', Arial, sans-serif;" class="mycode_font">Discrete Differential Geometry</span></span> (DDG) <span style="font-family: 'Google Sans', Arial, sans-serif;" class="mycode_font">provides a geometry-first, structure-preserving paradigm for modeling shapes on computers</span>. Rather than approximating continuous equations, DDG discretizes the geometry itself—maintaining exact theoretical properties (like curvature and strain) on meshes, which prevents unintended algorithmic artifacts.</span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><a href="https://www.cs.cmu.edu/~kmcrane/Projects/DDG/paper.pdf" target="_blank" rel="noopener" class="mycode_url">BOOK PAGE</a></span></span>]]></description>
			<content:encoded><![CDATA[<span style="font-weight: bold;" class="mycode_b"><a href="http://www.cs.cmu.edu/~kmcrane/Projects/DDG/paper.pdf" target="_blank" rel="noopener" class="mycode_url"><span style="color: #0969da;" class="mycode_color"><span style="text-decoration: underline;" class="mycode_u">Discrete Differential Geometry</span></span></a><span style="color: #1f2328;" class="mycode_color"> </span></span><br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b">Keenan Crane</span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><span style="font-family: 'Google Sans', Arial, sans-serif;" class="mycode_font">Keenan Crane’s </span><span style="font-style: italic;" class="mycode_i"><span style="font-family: 'Google Sans', Arial, sans-serif;" class="mycode_font">Discrete Differential Geometry</span></span> (DDG) <span style="font-family: 'Google Sans', Arial, sans-serif;" class="mycode_font">provides a geometry-first, structure-preserving paradigm for modeling shapes on computers</span>. Rather than approximating continuous equations, DDG discretizes the geometry itself—maintaining exact theoretical properties (like curvature and strain) on meshes, which prevents unintended algorithmic artifacts.</span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><a href="https://www.cs.cmu.edu/~kmcrane/Projects/DDG/paper.pdf" target="_blank" rel="noopener" class="mycode_url">BOOK PAGE</a></span></span>]]></content:encoded>
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			<title><![CDATA[Lectures on Differential Geometry [Rossmann]]]></title>
			<link>https://mklab.gr/showthread.php?tid=157</link>
			<pubDate>Mon, 08 Jun 2026 20:24:12 +0300</pubDate>
			<dc:creator><![CDATA[<a href="https://mklab.gr/member.php?action=profile&uid=1">mklabgr</a>]]></dc:creator>
			<guid isPermaLink="false">https://mklab.gr/showthread.php?tid=157</guid>
			<description><![CDATA[<span style="font-weight: bold;" class="mycode_b"><a href="http://mysite.science.uottawa.ca/rossmann/Differential%20Geometry%20book_files/Diffgeo.pdf" target="_blank" rel="noopener" class="mycode_url"><span style="color: #0969da;" class="mycode_color"><span style="text-decoration: underline;" class="mycode_u">Lectures on Differential Geometry</span></span></a><span style="color: #1f2328;" class="mycode_color"> </span></span><br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b">Wulf Rossmann</span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><span style="color: #000000;" class="mycode_color"><span style="font-family: 'Times New Roman';" class="mycode_font">This is a collection of lecture notes which I put together while teaching courses on manifolds, tensor analysis, and differential geometry.</span><span style="font-family: 'Times New Roman';" class="mycode_font"> </span></span> </span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><span style="color: #000000;" class="mycode_color"><span style="font-family: 'Times New Roman';" class="mycode_font"><a href="https://mysite.science.uottawa.ca/rossmann/Differential%20Geometry%20book_files/Diffgeo.pdf" target="_blank" rel="noopener" class="mycode_url">BOOK PAGE</a></span></span></span></span>]]></description>
			<content:encoded><![CDATA[<span style="font-weight: bold;" class="mycode_b"><a href="http://mysite.science.uottawa.ca/rossmann/Differential%20Geometry%20book_files/Diffgeo.pdf" target="_blank" rel="noopener" class="mycode_url"><span style="color: #0969da;" class="mycode_color"><span style="text-decoration: underline;" class="mycode_u">Lectures on Differential Geometry</span></span></a><span style="color: #1f2328;" class="mycode_color"> </span></span><br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b">Wulf Rossmann</span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><span style="color: #000000;" class="mycode_color"><span style="font-family: 'Times New Roman';" class="mycode_font">This is a collection of lecture notes which I put together while teaching courses on manifolds, tensor analysis, and differential geometry.</span><span style="font-family: 'Times New Roman';" class="mycode_font"> </span></span> </span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><span style="color: #000000;" class="mycode_color"><span style="font-family: 'Times New Roman';" class="mycode_font"><a href="https://mysite.science.uottawa.ca/rossmann/Differential%20Geometry%20book_files/Diffgeo.pdf" target="_blank" rel="noopener" class="mycode_url">BOOK PAGE</a></span></span></span></span>]]></content:encoded>
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			<title><![CDATA[Topics in Differential Geometry [Michor]]]></title>
			<link>https://mklab.gr/showthread.php?tid=156</link>
			<pubDate>Mon, 08 Jun 2026 20:21:52 +0300</pubDate>
			<dc:creator><![CDATA[<a href="https://mklab.gr/member.php?action=profile&uid=1">mklabgr</a>]]></dc:creator>
			<guid isPermaLink="false">https://mklab.gr/showthread.php?tid=156</guid>
			<description><![CDATA[<span style="font-weight: bold;" class="mycode_b"><a href="http://www.mat.univie.ac.at/~michor/dgbook.pdf" target="_blank" rel="noopener" class="mycode_url"><span style="color: #0969da;" class="mycode_color"><span style="text-decoration: underline;" class="mycode_u">Topics in Differential Geometry</span></span></a><span style="color: #1f2328;" class="mycode_color"> </span></span><br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b">Peter W. Michor</span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><span style="font-style: italic;" class="mycode_i"><span style="font-family: 'Google Sans', Arial, sans-serif;" class="mycode_font">Topics in Differential Geometry</span></span> by Peter W. Michor is <span style="font-family: 'Google Sans', Arial, sans-serif;" class="mycode_font">an advanced graduate textbook that provides a comprehensive, coordinate-free exploration of modern differential geometry</span>. Bridging foundational manifold theory with contemporary applications, the book emphasizes naturality and functoriality while serving as an essential reference for advanced students and researchers </span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><a href="https://www.mat.univie.ac.at/~michor/dgbook.pdf" target="_blank" rel="noopener" class="mycode_url">BOOK PAGE</a></span></span>]]></description>
			<content:encoded><![CDATA[<span style="font-weight: bold;" class="mycode_b"><a href="http://www.mat.univie.ac.at/~michor/dgbook.pdf" target="_blank" rel="noopener" class="mycode_url"><span style="color: #0969da;" class="mycode_color"><span style="text-decoration: underline;" class="mycode_u">Topics in Differential Geometry</span></span></a><span style="color: #1f2328;" class="mycode_color"> </span></span><br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b">Peter W. Michor</span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><span style="font-style: italic;" class="mycode_i"><span style="font-family: 'Google Sans', Arial, sans-serif;" class="mycode_font">Topics in Differential Geometry</span></span> by Peter W. Michor is <span style="font-family: 'Google Sans', Arial, sans-serif;" class="mycode_font">an advanced graduate textbook that provides a comprehensive, coordinate-free exploration of modern differential geometry</span>. Bridging foundational manifold theory with contemporary applications, the book emphasizes naturality and functoriality while serving as an essential reference for advanced students and researchers </span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><a href="https://www.mat.univie.ac.at/~michor/dgbook.pdf" target="_blank" rel="noopener" class="mycode_url">BOOK PAGE</a></span></span>]]></content:encoded>
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			<title><![CDATA[Introduction to Differential Geometry [Robbin]]]></title>
			<link>https://mklab.gr/showthread.php?tid=155</link>
			<pubDate>Mon, 08 Jun 2026 20:18:54 +0300</pubDate>
			<dc:creator><![CDATA[<a href="https://mklab.gr/member.php?action=profile&uid=1">mklabgr</a>]]></dc:creator>
			<guid isPermaLink="false">https://mklab.gr/showthread.php?tid=155</guid>
			<description><![CDATA[<span style="font-weight: bold;" class="mycode_b"><a href="https://people.math.ethz.ch/~salamon/PREPRINTS/diffgeo.pdf" target="_blank" rel="noopener" class="mycode_url"><span style="color: #0969da;" class="mycode_color"><span style="text-decoration: underline;" class="mycode_u">Introduction to Differential Geometry</span></span></a><span style="color: #1f2328;" class="mycode_color"> </span></span><br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b">Joel W. Robbin</span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><span style="color: #1f1f1f;" class="mycode_color"><span style="font-family: 'Google Sans Flex', 'Google Sans', 'Helvetica Neue', sans-serif;" class="mycode_font">The book treats the subject both from an extrinsic and an intrinsic view point. The first chapters give a historical overview of the field and contain an introduction to basic concepts such as manifolds and smooth maps, vector fields and flows, and Lie groups, leading up to the theorem of Frobenius.</span></span> </span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><span style="color: #1f1f1f;" class="mycode_color"><span style="font-family: 'Google Sans Flex', 'Google Sans', 'Helvetica Neue', sans-serif;" class="mycode_font"><a href="https://people.math.ethz.ch/~salamon/PREPRINTS/diffgeo.pdf" target="_blank" rel="noopener" class="mycode_url">BOOK PAGE</a></span></span></span></span>]]></description>
			<content:encoded><![CDATA[<span style="font-weight: bold;" class="mycode_b"><a href="https://people.math.ethz.ch/~salamon/PREPRINTS/diffgeo.pdf" target="_blank" rel="noopener" class="mycode_url"><span style="color: #0969da;" class="mycode_color"><span style="text-decoration: underline;" class="mycode_u">Introduction to Differential Geometry</span></span></a><span style="color: #1f2328;" class="mycode_color"> </span></span><br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b">Joel W. Robbin</span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><span style="color: #1f1f1f;" class="mycode_color"><span style="font-family: 'Google Sans Flex', 'Google Sans', 'Helvetica Neue', sans-serif;" class="mycode_font">The book treats the subject both from an extrinsic and an intrinsic view point. The first chapters give a historical overview of the field and contain an introduction to basic concepts such as manifolds and smooth maps, vector fields and flows, and Lie groups, leading up to the theorem of Frobenius.</span></span> </span></span><br />
<br />
<span style="color: #1f2328;" class="mycode_color"><span style="font-weight: bold;" class="mycode_b"><span style="color: #1f1f1f;" class="mycode_color"><span style="font-family: 'Google Sans Flex', 'Google Sans', 'Helvetica Neue', sans-serif;" class="mycode_font"><a href="https://people.math.ethz.ch/~salamon/PREPRINTS/diffgeo.pdf" target="_blank" rel="noopener" class="mycode_url">BOOK PAGE</a></span></span></span></span>]]></content:encoded>
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			<title><![CDATA[A pictorial introduction to differential geometry [Gratus]]]></title>
			<link>https://mklab.gr/showthread.php?tid=111</link>
			<pubDate>Sat, 06 Jun 2026 23:20:36 +0300</pubDate>
			<dc:creator><![CDATA[<a href="https://mklab.gr/member.php?action=profile&uid=1">mklabgr</a>]]></dc:creator>
			<guid isPermaLink="false">https://mklab.gr/showthread.php?tid=111</guid>
			<description><![CDATA[<span style="font-weight: bold;" class="mycode_b">Summary</span> :  This article provides a visual, equation-free introduction to the foundations of differential geometry, a critical mathematical tool used in physics fields like general and special relativity, mechanics, thermodynamics, and differential equations.<br />
<br />
<a href="https://arxiv.org/abs/1709.08492" target="_blank" rel="noopener" class="mycode_url">ARTICLE</a>]]></description>
			<content:encoded><![CDATA[<span style="font-weight: bold;" class="mycode_b">Summary</span> :  This article provides a visual, equation-free introduction to the foundations of differential geometry, a critical mathematical tool used in physics fields like general and special relativity, mechanics, thermodynamics, and differential equations.<br />
<br />
<a href="https://arxiv.org/abs/1709.08492" target="_blank" rel="noopener" class="mycode_url">ARTICLE</a>]]></content:encoded>
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