http://pco.iis.nsk.su/grapp/index.php?title=Halin_graph&feed=atom&action=history Halin graph - История изменений 2024-03-29T02:29:35Z История изменений этой страницы в вики MediaWiki 1.39.3 http://pco.iis.nsk.su/grapp/index.php?title=Halin_graph&diff=7538&oldid=prev Glk: Новая страница: «'''Halin graph''' --- граф Халина. <math>G</math> is a '''Halin graph''' if <math>G</math> is formed by embedding a tree having no degree-2 vertices in t…» 2011-05-17T08:13:22Z <p>Новая страница: «&#039;&#039;&#039;Halin graph&#039;&#039;&#039; --- граф Халина. &lt;math&gt;G&lt;/math&gt; is a &#039;&#039;&#039;Halin graph&#039;&#039;&#039; if &lt;math&gt;G&lt;/math&gt; is formed by embedding a tree having no degree-2 vertices in t…»</p> <p><b>Новая страница</b></p><div>&#039;&#039;&#039;Halin graph&#039;&#039;&#039; --- граф Халина. <br /> <br /> &lt;math&gt;G&lt;/math&gt; is a &#039;&#039;&#039;Halin graph&#039;&#039;&#039; if &lt;math&gt;G&lt;/math&gt; is formed by embedding a tree having no<br /> degree-2 vertices in the plane, and connecting its &#039;&#039;leaves&#039;&#039; by a<br /> &#039;&#039;cycle&#039;&#039; that crosses none of its edges. &#039;&#039;&#039;Halin graph&#039;&#039;&#039;s are<br /> 3-connected and have a &#039;&#039;Hamiltonian circuit&#039;&#039;.</div> Glk