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math.CO2024
Elliptic Sombor energy of a graph
Saeid Alikhani, Nima Ghanbari, Mohammad Ali Dehghanizadeh
Let be a simple graph with vertex set . The elliptic Sombor matrix of , denoted by , is defined as the matrix whose…
math.CO2021
Co-even Domination Number of a Modified Graph by Operations on a Vertex or an Edge
Nima Ghanbari, Saeid Alikhani, Mohammad Ali Dehghanizadeh
Let be a simple graph. A dominating set of is a subset such that every vertex not in is adjacent to at least one vertex in . The cardinality of…