Priti Prasanna Mondal

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20242026

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math.CO2026

Spectral Radius, Vertex Deletion, and Chromatic Number of Signed Graphs

Abhay Jayarajan, M. Rajesh Kannan, Priti Prasanna Mondal +1

A signed graph $Σ = (G, σ)$ is a graph $G$ with edges given signs $1$ or $- 1$ defined by the function $σ$ . The adjacency matrix of $Σ$ is defined as per these signs. The relation betw…

math.CO2025

When Are Standard Graph Products Isomorphic?

Priti Prasanna Mondal, M. Rajesh Kannan, Fouzul Atik

This article investigates the isomorphism problem for graphs derived from the four standard graph products: Cartesian, Kronecker (direct), strong, and lexicographic product. We pro…