Chi Cheng

collaborators

3 papers

math.CO2026

On Zero-sum Ramsey numbers of complete bipartite graphs

Cheng Chi, Jialin He

For an integer $q \geq 2$ and a graph $F$ satisfying $q ∣ e (F)$ , the zero-sum Ramsey number $R (F, Z_{q})$ is the least integer $n$ such that every edge-labeling $w\colon E(K_n…

math.CO2026

On zero-sum Ramsey numbers of cycles and wheels

Cheng Chi, Jialin He

For an integer $q \geq 2$ and a graph $F$ with $q ∣ e (F)$ , let $R (F, Z_{q})$ be the least integer $n$ such that every edge-labeling $w : E (K_{n}) \to Z_{q}$ contains a copy of $F$ wh…

math.CO2026

Anti-Ramsey numbers for cancellative configurations in p-graphs

Cheng Chi, Long-tu Yuan

We study edge-colorings of the complete $p$ -graph on $n$ vertices that contain no three edges $A, B, C$ of distinct colors such that the symmetric difference of $A$ and $B$ is contai…