Many-to-many disjoint paths in hypercubes with faulty vertices

This paper considers the problemofmany-to-many disjoint paths in the hypercubeQn with f faulty vertices and obtains the following result. For any integer k with 1 ≤ k ≤ n − 1 and any two sets S and T of k fault-free vertices in different partite sets of Qn (n ≥ 2), if f ≤ 2n−2k−2 and each fault-free vertex has at least two fault-free neighbors, then there exist k fully disjoint fault-free paths linking S and T which contain at least 2n − 2f vertices. A linear algorithm for finding such disjoint paths is also given. This result improves some known results in a sense. © 2016 Elsevier B.V. All rights reserved.