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		<id>http://wiki.karljones.com/index.php?action=history&amp;feed=atom&amp;title=Michel_H%C3%A9non</id>
		<title>Michel Hénon - Revision history</title>
		<link rel="self" type="application/atom+xml" href="http://wiki.karljones.com/index.php?action=history&amp;feed=atom&amp;title=Michel_H%C3%A9non"/>
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		<updated>2026-10-23T18:49:43Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.24.2</generator>

	<entry>
		<id>http://wiki.karljones.com/index.php?title=Michel_H%C3%A9non&amp;diff=11267&amp;oldid=prev</id>
		<title>Karl Jones: /* External links */</title>
		<link rel="alternate" type="text/html" href="http://wiki.karljones.com/index.php?title=Michel_H%C3%A9non&amp;diff=11267&amp;oldid=prev"/>
				<updated>2016-04-12T13:50:33Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;External links&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
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				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 13:50, 12 April 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 29:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 29:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [http://hypatia.math.uri.edu/~kulenm/diffeqaturi/gregg442/gregghenon.html A discussion] of [[Hénon map|Hénon's equation]], contains further links.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [http://hypatia.math.uri.edu/~kulenm/diffeqaturi/gregg442/gregghenon.html A discussion] of [[Hénon map|Hénon's equation]], contains further links.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [http://experiences.math.cnrs.fr/L-attracteur-de-Henon.html Simulation] of [[Hénon map]] in javascript (experiences.math.cnrs.fr).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [http://experiences.math.cnrs.fr/L-attracteur-de-Henon.html Simulation] of [[Hénon map]] in javascript (experiences.math.cnrs.fr).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Astronomers]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Mathematicians]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:People]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Karl Jones</name></author>	</entry>

	<entry>
		<id>http://wiki.karljones.com/index.php?title=Michel_H%C3%A9non&amp;diff=7537&amp;oldid=prev</id>
		<title>Karl Jones at 13:27, 6 February 2016</title>
		<link rel="alternate" type="text/html" href="http://wiki.karljones.com/index.php?title=Michel_H%C3%A9non&amp;diff=7537&amp;oldid=prev"/>
				<updated>2016-02-06T13:27:52Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
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				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 13:27, 6 February 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Michel Hénon''' (1931, [[Paris]] – 7 April 2013, [[Nice]]) was a French [[Mathematics|mathematician]] and [[Astronomy|astronomer]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Michel Hénon''' (1931, [[Paris]] – 7 April 2013, [[Nice]]) was a French [[Mathematics|mathematician]] and [[Astronomy|astronomer]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(TO DO: expand, organize, cross-reference, illustrate.)&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Life ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Life ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Karl Jones</name></author>	</entry>

	<entry>
		<id>http://wiki.karljones.com/index.php?title=Michel_H%C3%A9non&amp;diff=5464&amp;oldid=prev</id>
		<title>Karl Jones: Created page with &quot;'''Michel Hénon''' (1931, Paris – 7 April 2013, Nice) was a French mathematician and astronomer.  (TO DO: expand, organize, cross-refe...&quot;</title>
		<link rel="alternate" type="text/html" href="http://wiki.karljones.com/index.php?title=Michel_H%C3%A9non&amp;diff=5464&amp;oldid=prev"/>
				<updated>2015-09-15T13:12:44Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;#039;&amp;#039;&amp;#039;Michel Hénon&amp;#039;&amp;#039;&amp;#039; (1931, &lt;a href=&quot;/index.php?title=Paris&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Paris (page does not exist)&quot;&gt;Paris&lt;/a&gt; – 7 April 2013, &lt;a href=&quot;/index.php?title=Nice&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Nice (page does not exist)&quot;&gt;Nice&lt;/a&gt;) was a French &lt;a href=&quot;/index.php/Mathematics&quot; title=&quot;Mathematics&quot;&gt;mathematician&lt;/a&gt; and &lt;a href=&quot;/index.php?title=Astronomy&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Astronomy (page does not exist)&quot;&gt;astronomer&lt;/a&gt;.  (TO DO: expand, organize, cross-refe...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;'''Michel Hénon''' (1931, [[Paris]] – 7 April 2013, [[Nice]]) was a French [[Mathematics|mathematician]] and [[Astronomy|astronomer]].&lt;br /&gt;
&lt;br /&gt;
(TO DO: expand, organize, cross-reference, illustrate.)&lt;br /&gt;
&lt;br /&gt;
== Life ==&lt;br /&gt;
&lt;br /&gt;
He worked for a long time at the [[Nice Observatory]].&lt;br /&gt;
&lt;br /&gt;
In astronomy, Hénon is well known for his contributions to [[stellar dynamics]].&lt;br /&gt;
&lt;br /&gt;
In the late 1960s and early 1970s he made important contributions on the dynamical evolution of star clusters, in particular [[globular cluster]]s.&lt;br /&gt;
&lt;br /&gt;
He developed a numerical technique using [[Monte Carlo method]]s to follow the dynamical evolution of a spherical star cluster much faster than the so-called [[n-body problem|''n''-body method]]s. &lt;br /&gt;
&lt;br /&gt;
In mathematics, he is well known for the [[Hénon map]], a simple discrete [[dynamical system]] that exhibits [[chaos theory|chaotic behavior]].&lt;br /&gt;
&lt;br /&gt;
He published a two-volume work on the [[restricted three-body problem]].&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
&lt;br /&gt;
* [[Chaos theory]]&lt;br /&gt;
* [[Dynamical system]] &lt;br /&gt;
* [[Hénon map]]&lt;br /&gt;
* [[Mathematician]]&lt;br /&gt;
* [[Mathematics]]&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
&lt;br /&gt;
* [https://en.wikipedia.org/wiki/Michel_H%C3%A9non Michel Hénon] @ Wikipedia&lt;br /&gt;
* [http://adsabs.harvard.edu/cgi-bin/nph-abs_connect?db_key=AST&amp;amp;sim_query=YES&amp;amp;aut_xct=NO&amp;amp;&amp;amp;author=henon&amp;amp;object=&amp;amp;return=100&amp;amp;start_nr=1&amp;amp;version=1 Hénon's publications] (a partial list from [[NASA]] [[Astrophysics Data System]]).&lt;br /&gt;
* [http://hypatia.math.uri.edu/~kulenm/diffeqaturi/gregg442/gregghenon.html A discussion] of [[Hénon map|Hénon's equation]], contains further links.&lt;br /&gt;
* [http://experiences.math.cnrs.fr/L-attracteur-de-Henon.html Simulation] of [[Hénon map]] in javascript (experiences.math.cnrs.fr).&lt;/div&gt;</summary>
		<author><name>Karl Jones</name></author>	</entry>

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