Homomorphisms of planar (m, n)-colored-mixed graphs to planar targets. - Fabien Jacques; Pascal Ochem (Discret. Math., 2021)

On the chromatic numbers of signed triangular and hexagonal grids. - Fabien Jacques (Inf. Process. Lett., 2021)

The chromatic number of signed graphs with bounded maximum average degree. - Fabien Jacques; Alexandre Pinlou (Discret. Appl. Math., 2022)

The chromatic number of 2-edge-colored and signed graphs of bounded maximum degree. - Christopher Duffy 001; Fabien Jacques; Mickaël Montassier; Alexandre Pinlou (Discret. Math., 2023)