2 papers
math.CO2024
The Signed Roman Domination Number of Ladder graphs, circular Ladder graphs and their complements
Dilbak Haje, Delbrin Ahmed, Hassan Izanloo +1
Let be a finite connected simple graph with vertex set and edge set . A signed Roman dominating function (SRDF) on a graph is a function $f: V \rightarrow \{-1…
math.HO2012
An Interesting Number Theoretic Problem
Manjil P. Saikia
In this short note we prove a result that is an extension of an old Olympiad problem and is a very simple variant of the question of finding an approximation for , where it is a…