Skip to content
I

Isagani S. Cabahug, Jr.

Publications (10)

Spanning Tree Packing of Lexicographic Product of Graphs Resulting from Path and Complete Graphs

Isagani S. Cabahug, Jr. · Asian Research Journal of Mathematics · 2023

For any graphs G of order n, the spanning tree packing number, denoted by, of a graph G is the maximum number of edge disjoint spanning tree contained in G. In this study determine the spanning packing number of lexicographic product of graphs resulting from two path graphs.

Open access Research Article 10.9734/arjom/2023/v19i9710

On Spanning Tree Packing Number of the Complement of Generalized Petersen Graph and Cocktail Party Graph

Isagani S. Cabahug, Jr. · Asian Research Journal of Mathematics · 2023

For any graph G, the spanning tree packing number of \(\sigma\) (G), is the maximum number of edge-disjoint spanning trees contained in G. In this study, we determined the maximum number of edge-disjoint spanning trees of the generalized petersen graph and cocktail graph.

Open access Research Article 10.9734/arjom/2023/v19i9714

Bipartite Domination Number of Mycielski Graph of Some Graph Families

Winelyn P. Pelias & Isagani S. Cabahug, Jr. · Asian Research Journal of Mathematics · 2023

For a nontrivial connected graph G, a non-empty set S \(\subseteq\) V (G) is a bipartite dominating set of graph G, if the subgraph G[S] induced by S is bipartite and for every vertex not in S is dominated by any vertex in S. The bipartite domination number denoted by \(\gamma\)b...

Open access Research Article 10.9734/arjom/2023/v19i5658

On Rings Domination of Total Graph of Some Graph Families

Kyle Kenneth B. Ruaya & Isagani S. Cabahug, Jr. · Asian Research Journal of Mathematics · 2023

For a nontrivial connected graph G with no isolated vertex, a nonempty subset D \(\subseteq\) V (G) is a rings dominating set if D is a dominating set and for each vertex \(\upsilon\) \(\in\) V \ D is adjacent to at least two vertices in V \ D. Thus, the dominating set D of V (G)...

Open access Research Article 10.9734/arjom/2023/v19i4649

Another Look of Rings Domination in Ladder Graph

Kyle Kenneth B. Ruaya, Isagani S. Cabahug, Jr. & Rolito G. Eballe · Asian Research Journal of Mathematics · 2022

For a nontrivial connected graph \(G\) with no isolated vertex, a nonempty subset \(D \subseteq V(G)\) is a rings dominating set if each vertex \(v \in V-D\) is adjacent to at least two vertices in \(V-D\). Thus, the dominating set \(D\) of \(V(G)\) is a rings dominating set if f...

Open access Research Article 10.9734/arjom/2022/v18i12622

Rings Domination Number of Some Mycielski Graphs

Marvanessa G. Dinorog & Isagani S. Cabahug, Jr. · Asian Research Journal of Mathematics · 2022

A set S of a graph G = (V (G);E(G)) is a rings dominating set if S is a dominating set and for every vertex in the complement of S has atleast two adjacent vertices. The caridinality of the minimum rings dominating set is the rings domination number of graph G, denoted by \(\gamm...

Open access Research Article 10.9734/arjom/2022/v18i12621

Hinge Total Domination on Some Graph Families

Leocint F. Consistente & Isagani S. Cabahug, Jr. · Asian Research Journal of Mathematics · 2022

set S of vertices in a graph G = (V (G);E(G)) is a hinge dominating set if every vertex \(u\) \(\in\) V \(\setminus \) \(S\) is adjacent to some vertex \(u\) \(\in\) \(S\) and a vertex \(w\) \(\in\) V \(\setminus\) \(S\)  such that (\(v\), \(w\)) is not an edge in E(G). The hinge...

Open access Research Article 10.9734/arjom/2022/v18i930404

Safe Sets in Some Graph Families

Klarice Shaira R. Tan & Isagani S. Cabahug, Jr. · Asian Research Journal of Mathematics · 2022

For a connected simple graph G , a non-empty set \(S \subseteq V(G)\)  of vertices is a safe set if, for every component \(A \text { of }\langle S\rangle_{G}\) and every component \(B \text { of }\langle V(G)-S\rangle_{G}\) adjacent to A , it holds that \(|A| \geq|B|\). The safe...

Open access Research Article 10.9734/arjom/2022/v18i930399

On the Restrained Cost Eective Sets of Some Special Classes of Graphs

Darwin P. Mangubat & Isagani S. Cabahug, Jr. · Asian Research Journal of Mathematics · 2022

Let G be a nontrivial, undirected, simple graph. Let S be a subset of V (G). S is a restrained cost effective set of G if for each vertex v in S, degS(v) \(\leq\) degV (G)rS(v) and the subgraph induced by the vertex set, V (G) r S has no isolated vertex. The maximum cardinality o...

Open access Research Article 10.9734/arjom/2022/v18i830395