Electronic Journal of Qualitative Theory of Differential Equations

Article	Citations
Complex oscillations of non-definite Sturm-Liouville problems, II	18
Global boundedness in a quasilinear predator–prey chemotaxis system with nonlinear indirect signal production	5
Multiplicity of solutions for p ( x 5
Two regularity criteria of the 3D magneto-micropolar equations in Vishik spaces	4
On the integrability and dynamics of the Hide, Skeldon and Acheson differential system	4
Critical points of locally Lipschitz functionals inside and outside the ordered interval	3
On a special case of a difference equation with powers	3
Biharmonic system with Hartree-type critical nonlinearity	3
Sharp results for oscillation of second-order neutral delay differential equations	3
Bifurcations and Turing patterns in a diffusive Gierer–Meinhardt model	3
New nonlinear Henry–Gronwall type inequality with time-varying delay and applications to fractional differential equations	3
Symmetric nonlinear solvable system of difference equations	3
On the logarithmic fractional Schrödinger–Poisson system with saddle-like potential	2
Positive solutions for a class of concave-convex semilinear elliptic systems with double critical exponents	2
Homoclinic solutions for a class of asymptotically autonomous Hamiltonian systems with indefinite sign nonlinearities	2
Infinitely many solutions for an anisotropic differential inclusion on unbounded domains	2
Global attractivity of a higher order nonlinear difference equation with decreasing terms	2
Configurations of quadratic systems possessing three distinct infinite singularities and one or more invariant parabolas	2
Existence and nonexistence of solutions for generalized quasilinear Kirchhoff–Schrödinger–Poisson system	2
Global boundedness and stabilization in a predator-prey model with cannibalism and prey-evasion	2
Ground-state solutions of a Hartree–Fock type system involving critical Sobolev exponent	2
Prolongation of solutions and Lyapunov stability for Stieltjes dynamical systems	2
On a Dirichlet boundary value problem for an Ermakov–Painlevé I equation. A Hamiltonian EPI system	2
Multiple positive solutions for a fractional Kirchhoff type equation with logarithmic and singular nonlinearities	2
New stability criteria for periodic planar Lotka–Volterra systems	2

Existence and uniqueness of solutions of a fourth-order boundary value problem with non-homogeneous boundary conditions	2
Topological dimensions of random attractors for a stochastic reaction-diffusion equation with delay	2
Normalized solutions for a fractional coupled critical Hartree system	2
Rational solutions and limit cycles of polynomial and trigonometric Abel equations	2
Normalized solutions for Kirchhoff-type equations with combined nonlinearities: the L	2
Global bifurcation curves of nonlocal elliptic equations with oscillatory nonlinear term	2
On the kernel of the Stieltjes derivative and the space of bounded Stieltjes-differentiable functions	2
Rational limit cycles of Abel differential equations	2
Dynamics analysis of a diffusive prey-taxis system with memory and maturation delays	1
Existence of positive solutions of elliptic equations with Hardy term	1
The family of cubic differential systems with two real and two complex distinct infinite singularities and invariant straight lines of the type	1
An implicit system of delay differential algebraic equations from hydrodynamics	1
Some new results for the smoothness of topological equivalence in uniformly asymptotically stable systems	1
Schrödinger–Hardy system without the Ambrosetti–Rabinowitz condition on Carnot groups	1
On Shilnikov's scenario in 3D: Topological chaos for vectorfields of class C 1	1
Multiple solutions for a class of Kirchhoff-type equation with critical growth	1
Ulam–Hyers stability and exponentially dichotomic equations in Banach spaces	1
New oscillation criteria for third order nonlinear functional differential equations	1
Sign-changing solution for critical Schrödinger–Poisson system with concave perturbation	1
Existence and regularity of solutions for a singular anisotropic ( p , q	1
The blow-up method applied to monodromic singularities	1
Some results concerning a system of two max difference equations	1
Systems of second order Stieltjes differential equations with three-point boundary conditions	1
Existence of normalized solutions for the nonlinear Schrödinger–Poisson–Boltzmann system	1
Linearized instability for differential equations with dependence on the past derivative	1
Multiplicity of solutions of Kirchhoff-type fractional Laplacian problems with critical and singular nonlinearities	1
Combined effects of singular attractive and asymptotically linear terms in Kirchhoff equations	1
Existence of two infinite families of solutions to a singular superlinear equation on exterior domains	1
Center manifolds for random dynamical systems with generalized trichotomies	1
A study on the oscillation of second-order neutral differential equations in noncanonical form	1
Addendum to Higher order stroboscopic averaged functions: a general relationship with Melnikov functions	1
Global dynamics on a class of age-infection structured cholera model with immigration	1
Multiple normalized solutions for ( 2 , q )<	1
Existence of solution for a generalized Schrödinger–Poisson system via bifurcation theory	1
Optimal C	1
Slow divergence integral in regularized piecewise smooth systems	1
Convergence of weak solutions of elliptic problems with datum in L 1	1
Existence and regularity of pullback attractors for a 3D non-autonomous Navier–Stokes–Voigt model with finite delay	1
Decreasing solutions of cyclic second-order difference systems	1
Nonlinear integral inequalities involving Ψ -Hilfer fractional integrals and iterated fractional inte	1
Theodore A. Burton (1935–2025)	1
Existence of positive solutions of a semipositone problem with Minkowski-curvature operator	1
Existence and exponential stability of periodic solutions of Nicholson-type systems with nonlinear density-dependent mortality and linear harvesting	1
Necessary and sufficient conditions for one-dimensional variational problems with applications to elasticity	1
Nonexistence and existence of solutions for a Choquard–Kirchhoff type equation involving mixed local and nonlocal operators	1
On the analytic commutator for Λ−Ω differential systems	1
Study of singular elliptic equations with mixed boundary conditions and nonlocal source terms	1
Multiple solutions for a fractional ( p	1
Periodic solutions in a linear delay difference system	1
Normal forms for retarded functional differential equations associated with zero-double-Hopf singularity with 1 :	1

Normalized solutions for Schrödinger equations with potential and general nonlinearities involving critical case on large convex domains	1
On uniform asymptotic h -stability for li	1
Unilateral global bifurcation for an overdetermined problem in	1
Addendum to ``Ulam–Hyers stability and exponentially dichotomic equations in Banach spaces'' [Electron. J. Qual. Theory Differ. Equ. 2023, No. 8, 1–10]	1
Positive solutions for concave-convex type problems for the one-dimensional ϕ -Laplacian	1
Mirroring in lattice equations and a related functional equation	0
Existence of solutions to Sturm–Liouville boundary value problems	0
Multiple solutions for a Kirchhoff-type double phase problem involving variable exponents and two parameters	0
On coupled nonlocal Schrödinger–Kirchhoff system with singular exponential nonlinearity in <	0
Multiple solutions to a quasilinear periodic boundary value problem with impulsive effects	0
Homoclinic solutions for subquadratic Hamiltonian systems with competition potentials	0
Boundedness in a chemotaxis-consumption model with singular sensitivity	0
A systematical method for complete stability problem of a class of delayed neural networks in parameter space	0
On the set of eigenvalues for some classes of coercive and noncoercive problems involving (2, p (	0
Critical points approaches to fourth-order elastic beam equations with variable coefficients having combined effects of concave and convex nonlinearities	0
Lagrange stability for a class of impulsive Duffing equation with low regularity	0
Dynamics of a state-dependent delay-differential equation	0
Uniform approximation of a class of impulsive delayed Hopfield neural networks on the half-line	0
New results concerning a Schrödinger equation involving logarithmic nonlinearity	0
Weak solutions for a class of quasilinear elliptic equation containing the p (	0
Half-linear differential equations: Regular variation, principal solutions, and asymptotic classes	0
Well-posedness and controllability of a nonlinear system for surface waves	0
Differential inclusion systems with fractional competing operator and multi-valued fractional convection	0
Periodic solution of a bioeconomic fishery model by coincidence degree theory	0
The logistic equation in the context of Stieltjes differential and integral equations	0
Positive periodic solutions for a second-order damped differential equation with an indefinite singularity	0
Existence of nontrivial weak solutions for nonuniformly elliptic equation with mixed boundary condition in a variable exponent Sobolev space	0
Existence of solutions for discontinuous systems of Stieltjes differential equations	0
On the solvability of a higher-order semilinear ODE	0
Novel estimates of the impact of hostility on the equilibrium stability in an arms race model	0
Existence and multiplicity of solutions for p -Laplacian fractional system with logarithmic	0
Ground state solution for fractional problem with critical combined nonlinearities	0
Unconditional energy conservation and conditional regularity for the incompressible Navier-Stokes Maxwell system	0
1 / 2	0
Exponential decay for a Klein–Gordon–Schrödinger system with locally distributed damping	0
Structures and evolution of bifurcation diagrams for a multiparameter p-Laplacian Dirichlet problem	0
Existence and convergence of sign-changing solutions for Kirchhoff-type p -Laplacian problems involving critical exponent	0
Mild solutions, variation of constants formula, and linearized stability for delay differential equations	0
Existence and nonexistence of positive solutions of nonlinear elliptic equations involving singular term and convection term	0
Resonance phenomena in the second differential order equations with nonlinear impulsive effects	0
Existence results for singular nonlinear BVPs in the critical regime	0
Multiple normalized solutions to the nonlinear Schrödinger–Poisson system with the L 2	0
Instability with growth rates of discrete systems in Banach spaces	0
Nonexistence results of solutions for some fractional p -Laplacian equations in 0
Existence of nontrivial solutions for a quasilinear Schrödinger–Poisson system in $\mathbb{R}^3$ with periodic potentials	0
Family of quadratic differential systems with invariant parabolas: a complete classification in the space 0
Strong fast invertibility and Lyapunov exponents for linear systems	0
Multiple solutions for a fractional $p$-Kirchhoff system with singular nonlinearity	0
Analysis of stochastic SEIR(S) models with random total populations and variable diffusion rates	0
Existence of nodal solutions to some nonlinear boundary value problems for ordinary differential equations of fourth order	0
On the surjectivity conditions of a linear functional differential operator of the second order	0
Qualitative properties of solutions to a generalized Fisher–KPP equation	0
A minimization problem related to the principal frequency of the p -Bilaplacian with coupled Dirichlet–Neumann boundary co	0
Stability sets for fractional differential equations with two delays	0
Continuum of limit cycles in a class of three-dimensional quadratic polynomial systems	0
Solutions for a quasilinear elliptic problem with indefinite nonlinearity with critical growth	0
Global bifurcation of positive solutions for a class of superlinear elliptic systems	0
Global multiplicity of positive solutions for anisotropic ( p , q <	0
Tightening Poincaré–Bendixson theory after counting separately the fixed points on the boundary and interior of a planar region	0
On the existence and multiplicity of solutions for nonlinear Klein–Gordon–Maxwell system	0
Well-posedness of Solutions for a Double-Diffusive Convection System with Anisotropic Non-Newtonian Operators and Damping Terms	0
Critical points approaches for multiple solutions of a quasilinear periodic boundary value problem	0
Fake saddles and their transition maps	0
Structural stability for scalar reaction-diffusion equations	0
Periodic perturbations of reducible scalar second order functional differential equations	0
Quadratic systems with two invariant real straight lines and an invariant parabola	0
Further study on second order nonlocal problems monitored by an operator	0
Qualitative analysis of a mechanical system of coupled nonlinear oscillators	0
Existence of positive solutions for a class of p-Laplacian type generalized quasilinear Schrödinger equations with critical growth and potential vanishing at infinity	0
An existence result for ( p , q )	0
On the uniqueness of mild solutions and an averaging principle results for partial functional differential equations with infinite delay using the α-norm	0
Qualitative analysis on the diffusive Holling–Tanner predator–prey model	0
A priori estimates of stable solutions of the general Hardy–Hénon equation in the ball	0
On the existence of ground state solutions for the logarithmic Schrödinger–Bopp–Podolsky system	0
Coexisting steady-state solutions of a class of reaction-diffusion systems with different boundary conditions	0
Existence and uniqueness of Carathéodory and Filippov solutions for discontinuous systems of differential equations	0
Infinite memory effects on the stabilization of a biharmonic Schrödinger equation	0
Note on the oscillation of second-order hybrid type delay differential equations	0
Heteroclinic solutions in singularly perturbed discontinuous differential equations: a non-generic case	0
A variation of parameters formula for nonautonomous linear impulsive differential equations with piecewise constant arguments of generalized type	0

A modified zero energy critical point theory with applications to several nonlocal problems	0
Limit cycles bifurcations of Liénard system with a hyperelliptic Hamiltonian of degree five	0
Radial solutions and a local bifurcation result for a singular elliptic problem with Neumann condition	0
Existence of solutions for singular quasilinear elliptic problems with dependence of the gradient	0
Multiplicity of weak solutions to degenerate weighted quasilinear elliptic equations with nonlocal terms and variable exponents	0
On a critical Choquard-type equation with vanishing potential in the Heisenberg group	0
Asymptotic stability analysis on a neutral Nicholson's blowflies equation with time-varying delays	0
A class of nonlinear oscillators with non-autonomous first integrals and algebraic limit cycles	0
Multiple solutions for a parametric Steklov problem involving the p ( x	0
Dynamic behavior of stochastic fast-slow fishery economic model with Allee effect	0
Interval of the existence of positive solutions for a boundary value problem for system of three second-order differential equations	0
Uniqueness of positive radial solutions for a class of ( p , q	0
Caffarelli–Kohn–Nirenberg inequality for biharmonic equations with inhomogeneous term and Rellich potential	0
Existence and uniqueness of positive periodic solutions of a certain functional differential equation	0
Second order neutral delay differential equations and their oscillatory criteria derived by linearization	0
Oscillation criteria for perturbed half-linear differential equations	0
Infinitely many solutions for nonlinear elliptic problems in the whole space	0
An exact bifurcation diagram for ap-qLaplacian boundary value problem	0
Ground state sign-changing solution for a logarithmic Kirchhoff-type equation in	0
A remark on energy balance of the Navier–Stokes equations	0
Weighted Lorentz estimates for subquadratic quasilinear elliptic equations with measure data	0
A bifurcation analysis on a nonlocal overdetermined problem	0
Existence and exponential stability for the wave equation with nonlinear interior source and localized viscoelastic boundary feedback	0
Global bifurcation of positive solutions for a superlinear p -Laplacian system	0
Properties of Poincaré half-maps for planar linear systems and some direct applications to periodic orbits of piecewise systems	0
Existence of positive solutions for generalized quasilinear Schrödinger equations with Sobolev critical growth	0
Global existence and blow-up of solution to a class of fourth-order equation with singular potential and logarithmic nonlinearity	0
A family of planar differential systems with hyperbolic algebraic limit cycles	0
The Dirichlet problem in an unbounded cone-like domain for second order elliptic quasilinear equations with variable nonlinearity exponent	0
Existence and asymptotic behavior of nontrivial solution for Klein–Gordon–Maxwell system with steep potential well	0
Fully nonlinear degenerate equations with applications to Grad equations	0
Leighton–Wintner type oscillation criteria for second-order differential equations with p (	0
Homoclinic solution to zero of a non-autonomous, nonlinear, second order differential equation with quadratic growth on the derivative	0
Existence of solutions for asymptotically periodic quasilinear Schrödinger equations with local nonlinearities	0
Quasilinear Schrödinger equations with general sublinear conditions	0
Complex dynamics of the system of nonlinear difference equations in the Hilbert space	0
On the preservation of Lyapunov exponents of integrally separated systems of differential equations under small nonlinear perturbations	0
On the existence of patterns in reaction-diffusion problems with Dirichlet boundary conditions	0
Exact solution of the Susceptible–Exposed–Infectious–Recovered–Deceased (SEIRD) epidemic model	0
Positive solutions for semipositon Φ	0
On some classes of solvable difference equations related to iteration processes	0
Long time behavior of the solution to a chemotaxis system with nonlinear indirect signal production and logistic source	0
A class of singularly perturbed Robin boundary value problems in critical case	0
Multiple subharmonic solutions with prescribed minimal periods for a class of second order impulsive differential systems	0
New monotonicity properties and oscillation of $n$-order functional differential equations with deviating argument	0
Existence and nonexistence of solutions for unsteady shrinking disk flow	0
Carleman inequality for a class of super strong degenerate parabolic operators and applications	0
Local and global solutions for abstract integro-differential equations with state-dependent delay and applications to a system with coupled memory and diffusion	0
Global algebraic Poincaré–Bendixson annulus for the Rayleigh equation	0
Multiple positive radial solutions for Dirichlet problem of the prescribed mean curvature spacelike equation in a Friedmann–Lemaître–Robertson–Walker spacetime	0
Note on oscillation of neutral differential equations with multiple delays	0
Multiplicity of solutions for nonautonomous ( p	0
Multi-bump solutions of Schrödinger–Bopp–Podolsky system with steep potential well	0
Existence and uniqueness of crossing periodic solutions of a discontinuous mixed-type Duffing equation	0
Limit cycles in piecewise smooth perturbations of a class of cubic differential systems	0
Attractivity with asymptotic phase of local center manifolds and an application to one-parameter bifurcation for integral equations with infinite delay	0
Normalized solutions to the Schrödinger systems with double critical growth and weakly attractive potentials	0
Global phase portraits of quintic reversible uniform isochronous centers	0
A critical elliptic equation with a logarithmic type perturbation	0
Nonexistence of positive global solutions for singular differential inequalities on exterior domains of the Heisenberg group	0
Existence of solutions for logarithmic Kirchhoff equation without compactness in $\mathbb{R}^3$	0
Bifurcation in two parameters for a quasilinear Schrödinger equation	0
3-dimensional piecewise linear and quadratic vector fields with invariant spheres	0
Concentration of solutions for ( N , q )	0
Bifurcation analysis of fractional Kirchhoff–Schrödinger–Poisson systems in	0
Global solution for a system of semilinear diffusion-reaction equations with distinct diffusion coefficients	0
Multiple solutions for a class of Schrödinger–Bopp–Podolsky system with sublinear nonlinearity	0
Global existence of strong solutions to nonhomogeneous MHD system in thin three-dimensional domains	0
Smooth linearization of contractive random dynamical systems in continuous time	0
Positive solutions for a degenerate p-Kirchhoff problem with singular and sublinear nonlinearities	0
Kolmogorov-type mathematical models with variable delay in population biology	0