Results 31 to 40 of about 623 (125)
Topological structure of solution sets of differential inclusions: the constrained case
Abstract and Applied Analysis, Volume 2003, Issue 6, Page 325-351, 2003., 2003 We survey and announce some current results on the existence, the viability, and the topological structure of the viable solutions of differential equations and inclusion in Banach spaces under set constraints. Some new results concerning semilinear differential inclusions with state variables constrained to the so‐called regular and strictly regular ...
Wojciech Kryszewski
wiley +1 more source
Analysis of solutions for the fractional differential equation with Hadamard-type
Open Mathematics, 2023 We mainly consider the existence and stability results of the positive solutions for the fractional differential equation with Hadamard-type by applying fixed point theorems, if the nonlinearity may be continuous or singular.
Zhu Huijuan, Ru Yuanfang, Wang Fanglei
doaj +1 more source
Boundary Value Problems, 2013 In this paper, we establish the existence of multiple solutions to second-order differential equations with ϕ-Laplacian satisfying periodic, Dirichlet or Neumann boundary conditions.
N. El Khattabi, M. Frigon, N. Ayyadi
semanticscholar +1 more source
Center conditions for a simple class of quintic systems
International Journal of Mathematics and Mathematical Sciences, Volume 29, Issue 11, Page 625-632, 2002., 2002 We obtained center conditions for an O‐symmetric system of degree 5 for which the origin is a uniformly isochronous singular point.
Evgenii P. Volokitin
wiley +1 more source
Open Mathematics, 2023 This article deals with the existence, multiplicity, minimal complexity, and global structure of the subharmonic solutions to a class of planar Hamiltonian systems with periodic coefficients, being the classical predator-prey model of V.
López-Gómez Julián +2 more
doaj +1 more source
, 2014 A delayed Nicholson’s blowflies model with a nonlinear density-dependent mortality term is studied in this paper. Some sufficient conditions are obtained to guarantee the existence and global exponential stability of positive almost periodic solutions of
Bingwen Liu
semanticscholar +1 more source
Existence of periodic solution for first order nonlinear neutral delay equations
International Journal of Stochastic Analysis, Volume 14, Issue 2, Page 189-194, 2001., 2001 In this paper by using the coincidence degree theory, sufficient conditions are given for the existence of periodic solutions of the first order nonlinear neutral delay differential equation.
Genqiang Wang, Jurang Yan
wiley +1 more source
Hopf bifurcations in a three-species food chain system with multiple delays
Open Mathematics, 2017 This paper is concerned with a three-species Lotka-Volterra food chain system with multiple delays. By linearizing the system at the positive equilibrium and analyzing the associated characteristic equation, the stability of the positive equilibrium and ...
Xie Xiaoliang, Zhang Wen
doaj +1 more source
Periodic solutions of a class of non‐autonomous second‐order differential inclusions systems
Abstract and Applied Analysis, Volume 6, Issue 3, Page 151-161, 2001., 2001 Using an abstract framework due to Clarke (1999), we prove the existence of periodic solutions for second‐order differential inclusions systems.
Daniel Paşca
wiley +1 more source
Open Mathematics, 2019 In this paper, we consider an almost periodic commensal symbiosis model with nonlinear harvesting on time scales. We establish a criterion for the existence and uniformly asymptotic stability of unique positive almost periodic solution of the system. Our
Xue Yalong, Xie Xiangdong, Lin Qifa
doaj +1 more source