离散Lasota-Wazewska模型的全局吸引性

• 作 者: 李经文
• 机 构: Dept. Of Math., Shaoyang Teachers College, Hunan 422000
• 出 处: 高校应用数学学报
• 发表日期: 2000年4期
• 关键词: Delay difference equation Lasota-Wazewska model global attractivity

Consider the discrete Lasota-Wazewska modelNn+1-Nn=-μNn+pe-rNn-k, n=0,1,2,... (*)where μ∈(0,1),r,p∈(0,∞)and k∈N.A sufficient condiion for all positive solutions of (*)to be attracted to its equilibrium N*is obtained.It improves correspondent result obtained by Chen and Yu in 1999.