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D. Anusha, S. Joseph Robin
A set S ⊆ V of a graph G is a hop dominating set of G if for every v ∈ V − S, there exists u ∈ S such that d(u, v) = 2. The minimum cardinality of a hop dominating set of G is called the hop domination number and is deno…
P. Maya, G. R. Sanma
The vertex polynomial of a graph G is defined as V(G, x) = Σ vₖxᵏ (k = 0 to Δ(G)), where Δ(G) = max{d(v) / v ∈ V} and vₖ is the number of vertices of degree k. In this paper, we find some results on the vertex polynomial…
Sini Bhadrasenan Pushpangadan, V. Vidhya, U. S. Priya
Although quarantine is a useful strategy for preventing the spread of COVID-19, it is crucial to consider its disadvantages as well, because it can seriously harm the psychological well-being of both the individuals plac…
V. Sunitha, S. Ramola Pon Malar
Post office savings schemes are a set of investment options offered by India Post, the postal department of India. These schemes provide a safe and secure investment option to individuals and promote financial inclusion…