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Super spanning connectivity of the cartesian product of complete graphs | ||
| Communications in Combinatorics and Optimization | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 29 تیر 1404 اصل مقاله (1.69 M) | ||
| نوع مقاله: Original paper | ||
| شناسه دیجیتال (DOI): 10.22049/cco.2025.29249.1909 | ||
| نویسندگان | ||
| Xiaoqian Wang؛ Eminjan Sabir* | ||
| College of Mathematics and System Sciences, Xinjiang University, Urumqi, 830046, P. R. China | ||
| چکیده | ||
| Let $G$ be a graph and $s$ be an integer. {\textit{A $s$-container $C(x,y)$} of $G$ between two vertices $x$ and $y$ is a set of $s$ internally vertex disjoint $x,y$-paths. A $s$-container $C(x,y)$ is \textit{a $s^{*}$-container} if $V(C(x,y))=V(G)$, where $V(C(x, y))$ is the set of vertices incident with some paths in $C(x,y)$. Then $G$ is \textit{$s^{*}$-connected} if there exists a $s^{*}$-container between any two distinct vertices of $G$. \textit{The spanning connectivity $\kappa^{*}(G)$} of $G$ is the largest integer $k$ such that $G$ is $s^{*}$-connected for any $s$ with $1 \leq s \leq k$. Further, $G$ is \textit{super spanning connected} if $\kappa^{*}(G)=\kappa(G)$, where $\kappa(G)$ is the connectivity of $G$. In this paper, we show that the $n$-th cartesian product of complete graph $K_{t}$ $(t\ge 3)$ is super spanning connected. Our results, in some sense, extended a previous result in \textit{[Shih et al., One-to-one disjoint path covers on $k$-ary $n$-cubes, Theoret. Comput. Sci. (2011)]}. | ||
| کلیدواژهها | ||
| Cartesian product؛ Complete graph؛ Connectivity؛ Spanning connectivity | ||
| مراجع | ||
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