Results 241 to 250 of about 337,853 (263)

The length of the periods in the periodic system

Die Naturwissenschaften, 1954
openaire   +1 more source

The Case For Periodic Cancer Detection Examinations

Ca-A Cancer Journal for Clinicians, 1967
V A Gilbertsen, VÍCTOR A Gilbertsen
exaly  

Constant-sign periodic and almost periodic solutions of a system of difference equations

Computers and Mathematics With Applications, 2005
D O'Regan, Patricia J Y Wong
exaly  

Periodical Systems

2023
Leonardo Dagdug, Jason Peña, Ivan Pompa-García   +2 more
openaire   +1 more source

Uniform persistence and periodic solutions for a discrete predator–prey system with delays

Journal of Mathematical Analysis and Applications, 2006
Xitao Yang
exaly  

On the well‐posedness of periodic problems for the system of hyperbolic equations with finite time delay

Mathematical Methods in the Applied Sciences, 2020
A T Assanova, Narkesh Iskakova, Nurgül T Orumbayeva   +2 more
exaly  

Positive periodic solutions of neutral Lotka–Volterra system with periodic delays

Applied Mathematics and Computation, 2004
Zhihui Yang, Jinde Cao
exaly  

Almost periodic solutions of n-species competitive system with feedback controls

Journal of Mathematical Analysis and Applications, 2004
Yonghui Xia, Jinde Cao, Fengde Chen
exaly  

On small perturbations of a nonlinear periodic system with degenerate equilibrium

Nonlinear Differential Equations and Applications, 2013
Junxiang Xu, Xu Junxiang
exaly  

Global Existence of Positive Periodic Solutions of Periodic Predator–Prey System with Infinite Delays

Journal of Mathematical Analysis and Applications, 2001
Meng Fan
exaly