Department of Operations Research, Eotvos University, Pazmany Peter setany 1/C, H-1117 Budapest, Hungary
Abstract:
A polynomial time solution algorithm is described to find a smallest subset R of nodes of a directed graph D=(V,A) such that, for every node v∈V-R, there are k edge-disjoint paths from R to v and there are l edge-disjoint paths from v to R.