期刊论文详细信息
Electronic Communications in Probability
An improved upper bound for the critical value of the contact process on $\mathbb{Z} ^d$ with $d\geq 3$
Xiaofeng Xue1 
关键词: Contact process;    critical value;    upper bound;    linear system;   
DOI  :  10.1214/18-ECP177
学科分类:统计和概率
来源: Institute of Mathematical Statistics
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【 摘 要 】

By coupling the basic contact process with a linear system, we give an improved upper bound for the critical value $\lambda _c$ of the basic contact process on the lattice $\mathbb{Z} ^d$ with $d\geq 3$. As a direct corollary of our result, the critical value of the three-dimensional contact process is shown to be at most $0.34$.

【 授权许可】

CC BY   

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