COMBINATORICS
2006
13 years 11 months ago
2006
We determine the circular chromatic index of flower snarks, by showing that c(F3) = 7/2, c(F5) = 17/5 and c(Fk) = 10/3 for every odd integer k 7, where Fk denotes the flower snar...
ARSCOM
2007
13 years 11 months ago
2007
Let G be a simple graph and f : V (G) → {1, 3, 5, ...} an odd integer valued function defined on V (G). A spanning subgraph F of G is called a (1, f)odd factor if dF (v) ∈ {1...