Progress on Roman and Weakly Connected Roman Graphs

Raczek, J; Zuazua, R

Raczek, J (corresponding author), Gdansk Tech, Dept Algorithms & Syst Modelling, Fac Elect Telecommun & Informat, PL-80233 Gdansk, Poland.

MATHEMATICS, 2021; 9 (16):

Abstract

A graph G for which gamma R(G) = 2 gamma(G) is the Roman graph, and if gamma(wc)(R)(G) = 2 gamma(wc)(G), then G is the weakly connected Roman graph. I......

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