Global Uniform Ultimate Boundedness of Semi-Passive Systems Interconnected over Directed Graphs [PDF]
, 2023 We analyse the solutions of networked heterogeneous nonlinear systems. We assume that the closed-loop interconnected systems form a network with an underlying connected directed graph that contains a directed spanning tree.
Maghenem, Mohamed +3 more
core
On the Recursive Sequence xn+1=A+xnp/xn−1p
Discrete Dynamics in Nature and Society, 2007 This paper studies the boundedness, global attractivity, and periodicity of the positive solutions of the difference equation xn+1=A+xnp/xn−1p, n∈ℕ0, with p,A∈(0,∞).
Stevo Stevic
doaj +1 more source
Subadditive periodic functions [PDF]
Opuscula Mathematica, 2011 Some conditions under which any subadditive function is periodic are presented. It is shown that the boundedness from below in a neighborhood of a point of a subadditive periodic (s.p.) function implies its nonnegativity, and the boundedness from above ...
Janusz Matkowski
doaj +1 more source
On the uniform boundedness of the solutions of systems of reaction-diffusion equations
Electronic Journal of Qualitative Theory of Differential Equations, 2005 We consider a system of reaction-diffusion equations for which the uniform boundedness of the solutions can not be derived by existing methods. The system may represent, in particular, an epidemic model describing the spread of an infection disease ...
L. Melkemi, Ahmed Mokrane, A. Youkana
doaj +1 more source
Stability and boundedness of solutions of nonlinear vector differential equations of third order [PDF]
, 2014 summary:The paper studies the equation \begin{equation*}\dddot{X}+\Psi (\dot{X})\ddot{X}+\Phi (X)\dot{X}+cX=P(t) \end{equation*} in two cases: (i) $P(t)\equiv 0$, (ii) $P(t)\ne 0$.
Omeike, M. O.
core +1 more source
Global well-posedness and Turing–Hopf bifurcation of prey-taxis systems with hunting cooperation
European Journal of Applied MathematicsThis paper is concerned with a predator–prey system with hunting cooperation and prey-taxis under homogeneous Neumann boundary conditions. We establish the existence of globally bounded solutions in two dimensions.
Weirun Tao, Zhi-An Wang
doaj +1 more source
Stochastic Logistic Systems with Jumps
Journal of Applied Mathematics, 2014 This paper is concerned with a stochastic nonautonomous logistic model with jumps. In the model, the martingale and jump noise are taken into account. This model is new and more feasible and applicable.
Ruihua Wu, Ke Wang
doaj +1 more source
Referral Patterns and Diagnostic Timeliness in Pediatric Cancer: A Hospital‐Based Study in Indonesia
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Timely diagnosis and treatment are critical for improving survival among children with cancer. In low‐ and middle‐income countries (LMICs), delays are common and may be influenced by fragmented referral pathways and diagnostic limitations.
Nur Melani Sari +5 more
wiley +1 more source
Identifying Patterns of Hospitalizations Among Childhood Cancer Survivors: A Population‐Based Study
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Childhood cancer survivors (CCSs) experience more hospitalizations than the general population. We aimed to identify distinct hospitalization patterns among Queensland CCSs and the associated characteristics. Methods Cases (aged ≤14 years) diagnosed between 1995 and 2019 while residents of Queensland were identified through the ...
Hai Pham +7 more
wiley +1 more source
Boundedness in a fully parabolic chemotaxis system with signal-dependent sensitivity and logistic term [PDF]
, 2017 summary:This paper deals with the chemotaxis system with signal-dependent sensitivity and logistic term \begin{align*} &u_t=\Delta u - \nabla \cdot (u \chi(v)\nabla v) + \mu u(1-u), % \quad \\ &v_t=\Delta v + u - v \end{align*} in ...
Mizukami, Masaaki
core +1 more source