Rong Luo

collaborators

4 papers

math.CO2026

On the Spectra of Chromatic Number and Chromatic Index of Cyclic Covers

Guantao Chen, Hein van der Holst, Rong Luo +1

For a fixed integer $ℓ \geq 2$ , we study what values of chromatic index and chromatic number can be attained by some $ℓ$ -fold cyclic cover of a loopless multigraph. For edge-c…

math.CO2026

The Alon-Tarsi Number of Squares of Subcubic Planar Graphs without Cycles of Lengths $4$ to $8$

Seog-Jin Kim, Xiaopan Lian, Rong Luo

The Alon--Tarsi number $A T (G)$ of a graph $G$ , defined via the graph polynomial, is a strengthening of the list chromatic number $I ¨ _{ℓ} (G)$ . We study the Alon--Tarsi number of…

math.CO2026

High-Dimensional $p$ -Normed Flows

Chenxing Li, Jiaao Li, Rong Luo +1

We generalize Tutte's integer flows and the $d$ -dimensional Euclidean flows of Mattiolo, Mazzuoccolo, RajnÃk, and Tabarelli to \emph{ $d$ -dimensional $p$ -normed nowhere-zero flows}…

math.CO2025

Squares of subcubic planar graphs without cycles of length 4-8 are 6-choosable

Seog-Jin Kim, Rong Luo

The {\em square} of a graph $G$ , denoted $G^{2}$ , has the same vertex set as $G$ and an edge between any two vertices at distance at most $2$ in $G$ . Wegner (1977) conjectured that f…

On the Spectra of Chromatic Number and Chromatic Index of Cyclic Covers

The Alon-Tarsi Number of Squares of Subcubic Planar Graphs without Cycles of Lengths 4 to 8

High-Dimensional p-Normed Flows

Squares of subcubic planar graphs without cycles of length 4-8 are 6-choosable

The Alon-Tarsi Number of Squares of Subcubic Planar Graphs without Cycles of Lengths $4$ to $8$

High-Dimensional $p$ -Normed Flows