两类新的无向双环网络紧优无限族

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给出了无向双环网络 ( UDLN)的直径的一个新上界 .并由此构造出了两类新的紧优双环网无限族 ,改进了已有的结果 A new upper bound on the diameter of undirected bicyclic networks (UDLNs) is given, and two new classes of tight optimal bicyclic networks are constructed and the existing results are improved
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