Journal of the Indonesian Mathematical Society
Vol. 31 No. 2 (2025): JUNE

Multi-Decomposition of Product Graphs into Kites and Stars on Four Edges

Velusamy, Jothimani (Unknown)
Palanisamy, Hemalatha (Unknown)



Article Info

Publish Date
14 Jun 2025

Abstract

A decomposition of a graph $G$ is a set of edge-disjoint subgraphs $H_1,H_2,...,H_r$ of $G$ such that every edge of $G$ belongs to exactly one $H_i$. If all the subgraphs in the decomposition of $G$ are isomorphic to a graph $H$ then we say that $G$ is $H$-decomposable. The graph $G$ has an $\{H_1^\alpha,H_2^\beta\}$-decomposition, if $\alpha$ copies of $H_1$ and $\beta$ copies of $H_2$ decompose $G$, where $\alpha$ and $\beta$ are non-negative integers. In this paper, we have obtained the decomposition of $K_m \times K_n$ into $\alpha$ kites and $\beta$ stars on four edges for some of the admissible pairs $(\alpha,\beta)$, whenever $mn(m-1)(n-1) \equiv 0(mod\ 8)$, for $m \geq 3$ and $n \geq 4$. Also, we have obtained the decomposition of $K_m \otimes \overline{K_n}$ into $\alpha$ kites and $\beta$ stars on four edges for some of the admissible pairs $(\alpha,\beta)$, whenever $m(m-1)n^2 \equiv 0(mod\ 8)$, for $m \geq 3$ and $n \geq 4$. Here $K_m \times K_n$ and $K_m \otimes \overline{K_n}$ respectively denotes the tensor and wreath product of complete graphs.

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Journal Info

Abbrev

JIMS

Publisher

Subject

Mathematics

Description

Journal of the Indonesian Mathematical Society disseminates new research results in all areas of mathematics and their applications. Besides research articles, the journal also receives survey papers that stimulate research in mathematics and their ...