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Issue No.03 - March (1969 vol.18)
pp: 270-272
ABSTRACT
A (d, k, ? graph is defined as a graph in which every vertex has degree at most d, and every pair of vertices are joined by ? edge-disjoint paths, each of length at most k. The order of a graph is the number of vertices it contains. N(d, k, ?) is the number that is the largest of all the orders of ( d, k, ?) graphs. Elspas has investigated , k, p? graphs when k= 2 and when k = .? In this paper, (d, k, ?) graphs for d = ? are constructed, yielding lower bounds on N(d, k, d). Further, for d= k = ? = 3, N( d, k, ?) is determined and the graphs attaining this order are characterized. ( d, k, ?) graphs are potentially useful in determining how propagation delay, terminal packing factors, and possible blocking conditions may constrain a modeled digital system.
INDEX TERMS
Degree, diameter, graph, network, path, redundancy.
CITATION
H.J. Quaife, "On (d, k, ?) Graphs", IEEE Transactions on Computers, vol.18, no. 3, pp. 270-272, March 1969, doi:10.1109/T-C.1969.222642
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