3 papers
math.CO2025
Edge Coalitions in Graphs
Nazli Besharati, Azam Sadat Emadi, Iman Masoumi
Coalition concepts have been extensively studied in domination theory for vertex sets, whereas their edge counterparts have remained largely unexplored. Motivated by this, we intro…
math.CO2024
Further Results on the Majority Roman Domination in graphs
Azam Sadat Emadi, Iman Masoumi, Seyed Reza Musawi
Let be a simple graph of order . A Majority Roman Dominating Function (MRDF) on a graph G is a function if the sum of its function value…
math.CO2021
Restrained double Roman domination of a graph
Doost Ali Mojdeh, Iman Masoumi, Lutz Volkmann
For a graph G=(V,E), a restrained double Roman dominating function is a function f:V\rightarrow\{0,1,2,3\} having the property that if f(v)=0, then the vertex v must have at least…