--
Luyi Li
(LISN, Galac)
summary: Let G={G_1, G_2, ... , G_m} be a collection of n-vertex graphs on the same vertex set V (a graph system),
and F be a simple graph with e(F) ≤ m. If there is an injection f: E(F) → [m] such that e &isinv E(G_{f(e)}) for each ...