賽局論及人口競爭模型;Game Theory and Population Competition Models

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題名:	賽局論及人口競爭模型;Game Theory and Population Competition Models
作者:	周雲雄
貢獻者:	國立中央大學數學系
關鍵詞:	Cournot-Bertrand 競爭;產量競爭;價格競爭;物種競爭;合作獵捕;;Cournot-Bertrand competition;price competition;quantity competition;replicator dynamics. Leslie-Gower competition model;cooperative hunting;predator–prey system.
日期:	2020-01-13
上傳時間:	2020-01-13 14:50:49 (UTC+8)
出版者:	科技部
摘要:	有兩部分如下。1.我們研究Cournot-Bertrand 競爭。Cournot公司用產量來決定它的最大獲利。Bertrand公司則用產品價格來決定它的最大獲利。假設全部公司數量不變，我們使用replicator dynamics來調整Cournot公司與Bertrand公司的比率。目標是此比率的極限行為。2. 兩個物種競爭的極限行為已於2004年完全解決。我們打算繼續研究兩種以上物種的競爭。另外我們打算研究 predator–prey 系統裡合作獵捕問題。 ;There are two parts in the proposal.1. We investigate the evolution of Cournot and Bertrand firms in replicator dynamics. Assume the total number of firms is fixed. At each time period, each firm is randomly matched with a Bertrand or a Cournot counterpart to play a duopoly game, and then a firm’s populations evolve according to replicator dynamics. The goal is to find out the long-rum behavior. In particular, whether all firms choose either price or quantity competition as the unique and globally stable limit.2. We will continue our study on population sizes of species that could compete or cooperate with each other. Difference systems are used to model the population sizes of species. In Cushing et al. J. Differential Equation Application 10 (2004), the behavior of two competing species is completely solved. We consider some special cases for species more than two. We also consider cooperative hunting in a discrete predator–prey system.
關聯:	財團法人國家實驗研究院科技政策研究與資訊中心
顯示於類別:	[數學系] 研究計畫

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