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Linearer Graph
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Ein linearer Graph oder Pfadgraph ist ein Graph, der nur aus einem Pfad besteht. Lineare Graphen sind einfache Beispiele fΓΌr BΓ€ume. Sie haben keine Verzweigungen, sodass die mittleren Knoten den Grad 2, und die Endknoten den Grad 1 haben. Der lineare Graph mit n {\displaystyle n} Knoten wird mit P n {\displaystyle P_{n}} bezeichnet.
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β’ Siehe auch
β’ Einzelnachweise
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
GraziΓΆse Beschriftung
Lineare Graphen sind graziΓΆse Graphen.cite-ref-1[1] Eine graziΓΆse Beschriftung entsteht, wenn die Knoten mit den Zahlen 1 , n , 2 , n β β 1 , 3 , n β β 3 , β¦ β¦ {\displaystyle 1,n,2,n-1,3,n-3,\ldots } beschriftet werden. Diese Beschriftung ist bipartit.
Eine entsprechende graziΓΆse Beschriftung fΓΌr den linearen Graphen mit fΓΌnf Knoten zeigt die folgende Zeichnung.
Siehe auch
Einzelnachweise
cite-note-11. β Michelle Edwards, Lea Howard: A survey of graceful trees. In: Atlantic Electronic Journal of Mathematics. 1. Jahrgang, Nr. 1, 2006, S. 5β29 (trentu.ca [PDF]).