Title

Embedding Paths and Cycles in 3-Ary N-Cubes with Faulty Nodes and Links

Document Type

Article

Publication Date

1-2-2010

Abstract

The k-ary n-cube, denoted by Qn k, is one of the most important interconnection networks for parallel computing. In this paper, we consider the problem of embedding cycles and paths into faulty 3-ary n-cubes. Let F be a set of faulty nodes and/or edges, and n ≥ 2. We show that when | F | ≤ 2 n - 2, there exists a cycle of any length from 3 to | V (Qn 3 - F) | in Qn 3 - F. We also prove that when | F | ≤ 2 n - 3, there exists a path of any length from 2 n - 1 to | V (Qn 3 - F) | - 1 between two arbitrary nodes in Qn 3 - F. Since the k-ary n-cube is regular of degree 2 n, the fault-tolerant degrees 2 n - 2 and 2 n - 3 are optimal.

DOI

10.1016/j.ins.2009.09.002

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