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Godsil–Roberson–Rooney–Šámal–Varvitsiotis vector Hedetniemi conjecture
Let $G$ and $H$ be graphs, and let $\chi_v(G)$ denote the vector chromatic number. Vector Hedetniemi conjecture. For all graphs $G$ and $H$ , … This is the vector-chromatic analogue…
Conjectureopengraph-products graph-theory vector-coloringarXiv posted 2 days ago

Godsil–Roberson–Rooney–Šámal–Varvitsiotis vector Hedetniemi conjecture