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Evaluating the Impacts of Universal Two-Child Policy on Beijing's Population 期刊论文
JOURNAL OF SYSTEMS SCIENCE & COMPLEXITY, 2020, 页码: 18
作者:  Liu, Qing;  Liu, Xiuli
收藏  |  浏览/下载：162/0  |  提交时间：2020/06/30
Age structure  Beijing  cohort-component  population projection  universal two-child policy  
Quasiperiodic solutions and chaos in a periodically forced predator-prey model with age structure for predator 期刊论文
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 2003, 卷号: 13, 期号: 4, 页码: 973-980
作者:  Tang, SY;  Chen, LS
收藏  |  浏览/下载：85/0  |  提交时间：2018/07/30
predator-prey model  age-structure  quasiperiodic solutions  chaos  
Threshold and stability results for an age-structured SEIR epidemic model 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2001, 卷号: 42, 期号: 6-7, 页码: 883-907
作者:  Li, XZ;  Gupur, G;  Zhu, GT
收藏  |  浏览/下载：118/0  |  提交时间：2018/07/30
age-structure  SEIR epidemic model  abstract Cauchy problem  C-0-semigroup  positive operator  endemic states  threshold value  equilibrium and stability analyses  
A discrete predator-prey system with age-structure for predator and natural barriers for prey 期刊论文
ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2001, 卷号: 35, 期号: 4, 页码: 675-690
作者:  Tang, S;  Chen, L
收藏  |  浏览/下载：93/0  |  提交时间：2018/07/30
age-structure  natural barrier  subcommunity  persistence