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	<id>https://wiki.algo.informatik.tu-darmstadt.de/index.php?action=history&amp;feed=atom&amp;title=Minimum_spanning_tree</id>
	<title>Minimum spanning tree - Revision history</title>
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	<updated>2026-05-28T20:59:19Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.algo.informatik.tu-darmstadt.de/index.php?title=Minimum_spanning_tree&amp;diff=3311&amp;oldid=prev</id>
		<title>Weihe: Created page with &quot;== Input == # An undirected graph &lt;math&gt;G = (V,E)&lt;/math&gt;, not necessarily connected. # An edge length &lt;math&gt;l(e) \in...&quot;</title>
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		<updated>2015-06-16T12:33:01Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;== Input == # An &lt;a href=&quot;/Basic_graph_definitions#Directed_and_undirected_graphs&quot; title=&quot;Basic graph definitions&quot;&gt;undirected graph&lt;/a&gt; &amp;lt;math&amp;gt;G = (V,E)&amp;lt;/math&amp;gt;, not necessarily connected. # An edge length &amp;lt;math&amp;gt;l(e) \in...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Input ==&lt;br /&gt;
# An [[Basic graph definitions#Directed and undirected graphs|undirected graph]] &amp;lt;math&amp;gt;G = (V,E)&amp;lt;/math&amp;gt;, not necessarily connected.&lt;br /&gt;
# An edge length &amp;lt;math&amp;gt;l(e) \in \mathbb{R}_0^+&amp;lt;/math&amp;gt; for each edge &amp;lt;math&amp;gt;e \in E&amp;lt;/math&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
== Output ==&lt;br /&gt;
An [[Basic graph definitions#Forests, trees, branchings, arborescences|undirected tree]] &amp;lt;math&amp;gt; T= (V,E_F)&amp;lt;/math&amp;gt; such that &amp;lt;math&amp;gt;E_T \subseteq E&amp;lt;/math&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
== Objective ==&lt;br /&gt;
&lt;br /&gt;
'''Minimize:''' &amp;lt;math&amp;gt;\sum{}{}_{e \in E_F}l(e)&amp;lt;/math&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
== Complexity ==&lt;br /&gt;
&lt;br /&gt;
Polynomial.&lt;br /&gt;
&lt;br /&gt;
== Known algorithms ==&lt;br /&gt;
&lt;br /&gt;
[[Prim]]&lt;/div&gt;</summary>
		<author><name>Weihe</name></author>
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