Gang Yang

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math.CO2025

On saturation problems for matchings with regularity constraints

Gang Yang, Zixuan Yang, Shenggui Zhang

A graph $G$ is $F$ -saturated if $G$ is $F$ -free but for any edge $e$ in the complement of $G$ the graph $G + e$ contains $F$ . Gerbner et al. (Discrete Math., 345 (2022), 112921) in…

math.CO2022

Some multivariable Rado numbers

Gang Yang, Yaping Mao, Changxiang He +1

The Rado number of an equation is a Ramsey-theoretic quantity associated to the equation. Let $E$ be a linear equation. Denote by $R_{r} (E)$ the mi…