线图的邻域连通度(英文)Neighbor Connectivity of Line Graphs
赵雪冰,张昭
摘要(Abstract):
研究了图G的边邻域连通度λ_(NB)(G)和它的线图L(G)的点邻域连通度κ_(NB)(L(G))之间的关系,证明了λ_(NB)(G)≤κ_(NB)(G).提出了一个新的概念:限制性边邻域连通度λ_(NB)~r(G),证明了κ_(NB)(L(G))≤λ_(NB)~r(G).最后,研究了上述两个不等式成为等式的充分条件.
关键词(KeyWords): 邻域连通度;边邻域连通度;限制性边邻域连通度;线图
基金项目(Foundation): supported by NSFC(60603003),the Key Project of Chinese Ministry of Education (208161);; Program for New Century Excellent Talents in University
作者(Author): 赵雪冰,张昭
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