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2019
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Dynamic behaviors of a single species stage structure system with feedback control
Dynamic behaviors of a single species stage structure system with feedback control
en
en
A single species stage structure system
with feedback control is proposed and studied in this paper.
Local and global stability property of the boundary equilibrium and the positive equilibrium are investigated, respectively.
If the original system is globally stable, then we show that the feedback control only change the position of the unique positive equilibrium and retain the stable property. If the original system is extinct, then we show that the system with feedback control is also extinct. Some examples are presented to verify our main results.
1
12
Liyun
Lai
College of Mathematics and Computer Science
Fuzhou University
P. R. China
1310335147@qq.com
Xiangqin
Yu
College of Mathematics and Computer Science
Fuzhou University
P. R. China
1615657167@qq.com
Fengde
Chen
College of Mathematics and Computer Science
Fuzhou University
P. R. China
fdchen@fzu.edu.cn
Stage structure
species
local stability
Lyapunov function
global stability
Article.1.pdf
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Comparaison between the method which is used the spatial contextual information and some methods of image classification
Comparaison between the method which is used the spatial contextual information and some methods of image classification
en
en
In this paper, we present the results obtained for the remote sensing image
classification by using three methods of classification namely, Gaussian
process classification method (GPC), morphological profile for
classification method (MPC) and spatial contextual Gaussian process
classification method (SGPC). Several classification approaches have shown
that the exploitation of spatial contextual information can be attractive to
increase the classification accuracy by introducing a new automated learning
approach based on Gaussian process theory.
13
19
Houda
Hassouna
LARGHYDE Laboratory
University of Biskra
Algeria
houda.hassouna@yahoo.fr
Gaussian process
morphological profile
spatial contextual Gaussian process classification
spatial contextual information
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]
Permanence and extinction in a periodic ratio-dependent population system with stage structure
Permanence and extinction in a periodic ratio-dependent population system with stage structure
en
en
This paper studies a class of nonautonomous two-species
ratio-dependent population system with stage structure. Some
sufficient conditions on the boundedness, permanence, extinction,
and periodic solution of the system are established by using the
comparison method.
20
28
Ahmadjan
Muhammadhaji
College of Mathematics and Systems Science
Xinjiang University
People's Republic of China
ahmatjanam@aliyun.com
Stage-structured ratio-dependent system
permanence
extinction
periodic solution
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]