Edge colouring is a fundamental concept in graph theory whereby colours are assigned to the edges of a graph such that no two adjacent edges share the same colour. This process is central to numerous ...

For any integer 𝑘 ≥ 2, a graph 𝐺 is called 𝑘-leaf-connected if |V(G)|≥k+1 and given any subset 𝑆 ⊆ 𝑉(𝐺) with |S|=k,G always has a spanning tree 𝑇 such that 𝑆 is precisely the set of leaves of ...

SIAM Journal on Applied Mathematics, Vol. 26, No. 2 (Mar., 1974), pp. 313-314 (2 pages) A very short new constructive proof is presented of a result of Edmond's that a set of degrees each at least k ...