Maximum size of digraphs with some parameters

Maximum size of digraphs with some parameters
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具有某些参数的有向图的最大尺寸

DOI:
10.1007/s10878-015-9916-4
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发表时间:
2016-10
影响因子:
1
通讯作者:
Baoyindureng Wu
Baoyindureng Wu
中科院分区:
数学4区
文献类型:
--
作者:
Huiqiu Lin;Jinlong Shu;Baoyindureng Wu

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In this paper, we determine the maximum sizes of strong digraphs under the constraint that their some parameters are fixed, such as vertex connectivity, edge-connectivity, the number of cut vertices. The corresponding extremal digraphs are also characterized. In addition, we establish Nordhaus–Gaddum type theorem for the diameter whendecomposing into many parts. We also pose a related conjecture for Wiener index of digraphs.
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