Cheng Chang

collaborators

2 papers

math.CO2025

Vulnerability Measures and Zagreb Indices of Graphs

Sanju Vaidya, Cheng Chang

This paper establishes sharp bounds for the vulnerability measures of closeness and generalized closeness in graphs and identifies graphs that attain these bounds. It further devel…

math.NT2022

Product of sets on varieties in finite fields

Che-Jui Chang, Ali Mohammadi, Thang Pham +1

Let $V$ be a variety in $F_{q}^{d}$ and $E \subset V$ . It is known that if any line passing through the origin contains a bounded number of points from $E$ , then $|\prod(E)|=|\…