Existence of positive periodic solutions for neutral functional differential equations.
Uniqueness and parameter dependence of solutions of fourth-order four-point nonhomogeneous BVPs.
Uniqueness and parameter dependence of positive solution of fourth-order nonhomogeneous BVPs.
Hopf bifurcation for a model of HIV infection of T cells with virus released delay.
Global attractivity, oscillation and Hopf bifurcation for a class of diffusive hematopoiesis models
In this paper, we discuss the special diffusive hematopoiesis model with Neumann boundary condition. Sufficient conditions are provided for the global attractivity and oscillation of the equilibrium for Eq. (*), by using a new theorem we stated and proved. When P(t, χ) does not depend on a spatial variable χ ∈ Ω, these results are also true and extend or complement existing results. Finally, existence and stability of the Hopf bifurcation for Eq. (*) are studied.
Intuitionistic -fuzzy topological spaces
The main purpose of this paper is to introduce the concept of intuitionistic -fuzzy quasi-coincident neighborhood systems of intuitiostic fuzzy points. The relation between the category of intuitionistic -fuzzy topological spaces and the category of intuitionistic -fuzzy quasi-coincident neighborhood spaces are studied. By using fuzzifying topology, the notion of generated intuitionistic -fuzzy topology is proposed, and the connections among generated intuitionistic -fuzzy topological spaces,...
The anti-disturbance property of a closed-loop system of 1-d wave equation with boundary control matched disturbance
We study the anti-disturbance problem of a 1-d wave equation with boundary control matched disturbance. In earlier literature, the authors always designed the controller such as the sliding mode control and the active disturbance rejection control to stabilize the system. However, most of the corresponding closed-loop systems are boundedly stable. In this paper we show that the linear feedback control also has a property of anti-disturbance, even if the disturbance includes some information of the...
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