The existence of a pure Nash equilibrium in the two-player competitive diffusion game on graphs having chordality
The existence of a pure Nash equilibrium in the two-player competitive diffusion game on graphs having chordality
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具有和弦性的图上两人竞争扩散博弈中纯纳什均衡的存在性
DOI:
10.1016/j.dam.2022.04.025
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发表时间:
2022
影响因子:
1.1
通讯作者:
Hirotaka Ono
中科院分区:
文献类型:
--
作者:
Naoka Fukuzono;Tesshu Hanaka;Hironori Kiya;Hirotaka Ono
The competitive diffusion game is a game-theoretic model of information spreading on a graph proposed by Alon et al. (2010). It models the diffusion process of information in social networks where several competitive companies want to spread their information, for example. The nature of this game strongly depends on the graph topology, and the relationship is studied from several aspects. In this paper, we investigate the existence of a pure Nash equilibrium of the two-player competitive diffusion game on chordal and its related graphs. We show that a pure Nash equilibrium always exists on split graphs, block graphs, and interval graphs, all of which are well-known subclasses of chordal graphs. On the other hand, we show that a pure Nash equilibrium does not always exist on (strongly) chordal graphs; the boundary of the existence of a pure Nash equilibrium is found.
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DOI:
10.1007/s40819-021-00959-x
发表时间:
2021
影响因子:
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作者:
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DOI:
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2009
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