Ningyuan Yang

activity

20242026

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2 papers · 1 filter

math.CO2025

Infinitely many groups exhibiting intermediate growth in maximal sum-free sets

József Balogh, Ramon I. Garcia, Hong Liu +1

Given an Abelian groups $G$ , denote $μ (G)$ the size of its largest sum-free subset and $f_{m a x} (G)$ the number of maximal sum-free sets in $G$ . Confirming a prediction by Liu and…

math.CO2025

On decycling and forest numbers of Cartesian products of trees

Ali Ghalavand, Sandi Klavžar, Ning Yang

The decycling number $\nabla (G)$ of a graph $G$ is the minimum number of vertices that must be removed to eliminate all cycles in $G$ . The forest number $f (G)$ is the maximum numbe…