Electronic Journal of Qualitative Theory of Differential Equations

Article	Citations
Notes on the linear equation with Stieltjes derivatives	11
Existence of positive bound state solution for the nonlinear Schrödinger–Bopp–Podolsky system	7
A time-nonlocal inverse problem for a hyperbolic equation with an integral overdetermination condition	7
Multiplicity of positive solutions for a class of nonlocal problem involving critical exponent	7
Explicit solution and dynamical properties of atmospheric Ekman flows with boundary conditions	7
Sharp results for oscillation of second-order neutral delay differential equations	7
Necessary and sufficient conditions for the existence of invariant algebraic curves	6
On the stochastic Allen–Cahn equation on networks with multiplicative noise	6
Pullback attractor for a nonlocal discrete nonlinear Schrödinger equation with delays	6
Permanence and exponential stability for generalised nonautonomous Nicholson systems	5
Limit cycles in mass-conserving deficiency-one mass-action systems	5
Higher order stroboscopic averaged functions: a general relationship with Melnikov functions	5
New oscillation criteria for third-order differential equations with bounded and unbounded neutral coefficients	4
On a solvable class of nonlinear difference equations of fourth order	4
Well-posedness for a fourth-order equation of Moore–Gibson–Thompson type	4
Oscillation and spectral properties of some classes of higher order differential operators and weighted $n$th order differential inequalities	4
A sequence of positive solutions for sixth-order ordinary nonlinear differential problems	4
Null controllability for a singular heat equation with a memory term	4
Multiple positive solutions for a logarithmic Schrödinger–Poisson system with singular nonelinearity	4
Existence, uniqueness and qualitative properties of heteroclinic solutions to nonlinear second-order ordinary differential equations	3
A double phase equation with convection	3
Differentiability of solutions with respect to parameters in a class of neutral differential equations with state-dependent delays	3
Uniqueness and monotonicity of solutions for fractional equations with a gradient term	3
Limit cycles of planar piecewise linear Hamiltonian differential systems with two or three zones	3
Ulam–Hyers stability and exponentially dichotomic equations in Banach spaces	3

Long time behavior of the solution to a chemotaxis system with nonlinear indirect signal production and logistic source	3
Bistable equation with discontinuous density dependent diffusion with degenerations and singularities	3
A class of fourth-order elliptic equations with concave and convex nonlinearities in $\mathbb{R}^N$	2
Geometry and integrability of quadratic systems with invariant hyperbolas	2
Exact solution of the Susceptible–Infectious–Recovered–Deceased (SIRD) epidemic model	2
Optimal harvesting for a stochastic competition system with stage structure and distributed delay	2
Periodic stationary solutions of the Nagumo lattice differential equation: existence regions and their number	2
Geometry, integrability and bifurcation diagrams of a family of quadratic differential systems as application of the Darboux theory of integrability	2
Existence and multiplicity of nontrivial solutions to the modified Kirchhoff equation without the growth and Ambrosetti–Rabinowitz conditions	2
Structurally unstable quadratic vector fields of codimension two: families possessing a finite saddle-node and an infinite saddle-node	2
Weak center for a class of Λ –	2
Ground state sign-changing solutions and infinitely many solutions for fractional logarithmic Schrödinger equations in bounded domains	2
On oscillation of solutions of scalar delay differential equation in critical case	2
On nonlocal problems for semilinear second order differential inclusions without compactness	2
The existence of solutions for the modified ( p	2
Bifurcation curves of positive solutions for the Minkowski-curvature problem with cubic nonlinearity	2
Special cases of critical linear difference equations	2
Limit cycles of planar discontinuous piecewise linear Hamiltonian systems without equilibria separated by reducible cubics	2
Stability results for the functional differential equations associated to water hammer in hydraulics	2
New results on the existence of ground state solutions for generalized quasilinear Schrödinger equations coupled with the Chern–Simons gauge theory	2
Oscillation of half-linear differential equations with mixed type of argument	2
Existence and multiplicity of positive solutions for singular $\phi$-Laplacian superlinear problems with nonlinear boundary conditions	2
Periodic perturbations of reducible scalar second order functional differential equations	2
Stability index of linear random dynamical systems	2
New monotonicity properties and oscillation of $n$-order functional differential equations with deviating argument	2
Attractivity of solutions of Riemann–Liouville fractional differential equations	2
Asymptotic behavior of solutions to the multidimensional semidiscrete diffusion equation	2
Expansion of positivity to a class of doubly nonlinear parabolic equations	2
Cauchy problem for nonlocal diffusion equations modelling Lévy flights	2
Global smooth linearization of nonautonomous contractions on Banach spaces	2
Solutions for a quasilinear elliptic problem with indefinite nonlinearity with critical growth	1
Existence and multiplicity of eigenvalues for some double-phase problems involving an indefinite sign reaction term	1
On the solution manifold of a differential equation with a delay which has a zero	1
Positive solutions to three classes of non-local fourth-order problems with derivative-dependent nonlinearities	1
Periodic solutions of second order Hamiltonian systems with nonlinearity of general linear growth	1
Sign-changing solutions for a Schrödinger–Kirchhoff–Poisson system with 4-sublinear growth nonlinearity	1
Sobolev inequality with non-uniformly degenerating gradient	1
Solitary waves for a fractional Klein–Gordon–Maxwell equations	1
Corrigendum to "On the stochastic Allen–Cahn equation on networks with multiplicative noise" [Electron. J. Qual. Theory Differ. Equ. 2021, No. 7, 1–24]	1
Global asymptotic stability of a scalar delay Nicholson's blowflies equation in periodic environment	1
Existence of global solutions to chemotaxis fluid system with logistic source	1
On global attractivity of a higher order difference equation and its applications	1
Sign-changing solutions for fourth-order elliptic equations of Kirchhoff type with critical exponent	1
Linearized instability for differential equations with dependence on the past derivative	1
The algebraic curves of planar polynomial differential systems with homogeneous nonlinearities	1
Ground states solutions for some non-autonomous Schrödinger-Bopp-Podolsky system	1
Period function of planar turning points	1
Strong maximum principle for a sublinear elliptic problem at resonance	1
Half-linear differential equations: Regular variation, principal solutions, and asymptotic classes	1
The logistic equation in the context of Stieltjes differential and integral equations	1

Positive solutions for a class of generalized quasilinear Schrödinger equation involving concave and convex nonlinearities in Orilicz space	1
Analysis of an age-structured dengue model with multiple strains and cross immunity	1
Existence and multiplicity of positive solutions for a singular system via sub-supersolution method and Mountain Pass Theorem	1
Optimal version of the Picard–Lindelöf theorem	1
Ground state solution of semilinear Schrödinger system with local super-quadratic conditions	1
Subharmonic bouncing solutions of generalized Lazer–Solimini equation	1
Caffarelli–Kohn–Nirenberg inequality for biharmonic equations with inhomogeneous term and Rellich potential	1
Existence and uniqueness for a semilinear sixth-order ODE	1
Existence of positive solutions for a class of p-Laplacian type generalized quasilinear Schrödinger equations with critical growth and potential vanishing at infinity	1
On the cyclicity of Kolmogorov polycycles	1
Periodic and bounded solutions of functional differential equations with small delays	1
General solution to subclasses of a two-dimensional class of systems of difference equations	1
Hopf bifurcation in a reaction-diffusive-advection two-species competition model with one delay	1
Existence and exponential stability of periodic solutions of Nicholson-type systems with nonlinear density-dependent mortality and linear harvesting	1
Hyers–Ulam stability for a partial difference equation	1
Global bifurcation curves of nonlocal elliptic equations with oscillatory nonlinear term	1
On some differential equations involving a new kind of variable exponents	1
Minimizing of the quadratic functional on Hopfield networks	1
Slow divergence integral in regularized piecewise smooth systems	1
Homoclinic solutions for a class of asymptotically autonomous Hamiltonian systems with indefinite sign nonlinearities	1
Rectifiability of orbits for two-dimensional nonautonomous differential systems	1
Properties of Poincaré half-maps for planar linear systems and some direct applications to periodic orbits of piecewise systems	1
The asymptotic behavior of solutions to a class of inhomogeneous problems: an Orlicz–Sobolev space approach	1
Volterra–Stieltjes integral equations and impulsive Volterra–Stieltjes integral equations	1
Bifurcation for a class of piecewise cubic systems with two centers	1
Existence and exact multiplicity of positive periodic solutions to forced non-autonomous Duffing type differential equations	1
On a viscoelastic heat equation with logarithmic nonlinearity	0
Existence and uniqueness of Carathéodory and Filippov solutions for discontinuous systems of differential equations	0
Biharmonic system with Hartree-type critical nonlinearity	0
On the existence of periodic solutions to second order Hamiltonian systems	0
S-shaped bifurcations in a two-dimensional Hamiltonian system	0
Attractivity analysis on a neoclassical growth system incorporating patch structure and multiple pairs of time-varying delays	0
Semilinear heat equation with singular terms	0
Global bifurcation of positive solutions for a superlinear p -Laplacian system	0
Corrigendum to "Topological entropy for impulsive differential equations" [Electron. J. Qual. Theory Differ. Equ. 2020, No. 68, 1–15]	0
Leighton–Wintner type oscillation criteria for second-order differential equations with p (	0
Linear flows on compact, semisimple Lie groups: stability and periodic orbits	0
Existence of solution for a generalized Schrödinger–Poisson system via bifurcation theory	0
Unconditional energy conservation and conditional regularity for the incompressible Navier-Stokes Maxwell system	0
Homoclinic orbits for periodic second order Hamiltonian systems with superlinear terms	0
Long-term behavior of nonautonomous neutral compartmental systems	0
New regularity coefficients	0
Existence of positive solutions for a fractional compartment system	0
Bifurcation from zero or infinity in nonlinearizable Sturm–Liouville problems with indefinite weight	0
Existence of homoclinic orbit in generalized Liénard type system	0
Global attractivity of a higher order nonlinear difference equation with decreasing terms	0
Oscillatory solutions of Emden-Fowler type differential equation	0
Blow-up analysis in a quasilinear parabolic system coupled via nonlinear boundary flux	0
Limit cycles in piecewise smooth perturbations of a class of cubic differential systems	0
Dirichlet Problems with Unbalanced Growth and Convection	0
Infinitely many solutions for an anisotropic differential inclusion on unbounded domains	0
A class of nonlinear oscillators with non-autonomous first integrals and algebraic limit cycles	0
Multiple positive radial solutions for Dirichlet problem of the prescribed mean curvature spacelike equation in a Friedmann–Lemaître–Robertson–Walker spacetime	0
Carleman inequality for a class of super strong degenerate parabolic operators and applications	0
Existence results for singular nonlinear BVPs in the critical regime	0
Stabilization via delay feedback for highly nonlinear stochastic time-varying delay systems with Markovian switching and Poisson jump	0
Bifurcations and Turing patterns in a diffusive Gierer–Meinhardt model	0
The existence of ground state solutions for semi-linear degenerate Schrödinger equations with steep potential well	0
Multiple solutions to a quasilinear periodic boundary value problem with impulsive effects	0
A variation of parameters formula for nonautonomous linear impulsive differential equations with piecewise constant arguments of generalized type	0
1	0
Normalized solutions for Schrödinger equations with potential and general nonlinearities involving critical case on large convex domains	0
The family of cubic differential systems with two real and two complex distinct infinite singularities and invariant straight lines of the type	0
A remark on energy balance of the Navier–Stokes equations	0
Infinitely many radial positive solutions for nonlocal problems with lack of compactness	0
Ground state sign-changing solution for a logarithmic Kirchhoff-type equation in	0
On a Dirichlet boundary value problem for an Ermakov–Painlevé I equation. A Hamiltonian EPI system	0
Exponential decay for a Klein–Gordon–Schrödinger system with locally distributed damping	0
Weak damping for the Korteweg-de Vries equation	0
Homoclinic solutions for subquadratic Hamiltonian systems with competition potentials	0
Random invariant manifolds and foliations for slow-fast PDEs with strong multiplicative noise	0
Infinite memory effects on the stabilization of a biharmonic Schrödinger equation	0
Existence of solutions for asymptotically periodic quasilinear Schrödinger equations with local nonlinearities	0
Asymptotic behaviour of solutions of quasilinear differential-algebraic equations	0
λ-lemma for nonhyperbolic point in intersection	0
Existence of positive solutions of elliptic equations with Hardy term	0
A saddle point type solution for a system of operator equations	0
Existence of nontrivial weak solutions for nonuniformly elliptic equation with mixed boundary condition in a variable exponent Sobolev space	0
Symmetric nonlinear solvable system of difference equations	0
Positive ground state of coupled planar systems of nonlinear Schrödinger equations with critical exponential growth	0

The decay rates of solutions to a chemotaxis-shallow water system	0
Infinitely many weak solutions for a fourth-order‎ ‎equation on the whole space	0
Weighted L p -type	0
Lyapunov functionals and practical stability for stochastic differential delay equations with general decay rate	0
Some new results for the smoothness of topological equivalence in uniformly asymptotically stable systems	0
Neumann problems of superlinear elliptic systems at resonance	0
A converse of Sturm's separation theorem	0
Infinitely many homoclinic solutions for a class of damped vibration problems	0
Fully nonlinear degenerate equations with applications to Grad equations	0
Interval of the existence of positive solutions for a boundary value problem for system of three second-order differential equations	0
On the localization and numerical computation of positive radial solutions for ϕ	0
On existence and asymptotic behavior of solutions of elliptic equations with nearly critical exponent and singular coefficients	0
Uniqueness criteria for ordinary differential equations with a generalized transversality condition at the initial condition	0
Multi-bump solutions for the magnetic Schrödinger–Poisson system with critical growth	0
Invariant measures and random attractors of stochastic delay differential equations in Hilbert space	0
3D incompressible flows with small viscosity around distant obstacles	0
Existence and regularity of pullback attractors for a 3D non-autonomous Navier–Stokes–Voigt model with finite delay	0
Ground-state solutions of a Hartree–Fock type system involving critical Sobolev exponent	0
Radial solutions and a local bifurcation result for a singular elliptic problem with Neumann condition	0
Mild solutions, variation of constants formula, and linearized stability for delay differential equations	0
Rational limit cycles of Abel differential equations	0
Global boundedness and stabilization in a predator-prey model with cannibalism and prey-evasion	0
Existence, nonexistence and multiplicity of positive solutions for singular quasilinear problems	0
On the existence and multiplicity of solutions for nonlinear Klein–Gordon–Maxwell system	0
Nonexistence results of solutions for some fractional p -Laplacian equations in 0
Global dynamics on a class of age-infection structured cholera model with immigration	0
Nonconstant positive steady states and pattern formation of a diffusive epidemic model	0
Ground state sign-changing solutions for critical Choquard equations with steep well potential	0
Strong solutions for singular Dirichlet elliptic problems	0
Well-posedness and controllability of a nonlinear system for surface waves	0
Existence of solution for Kirchhoff model problems with singular nonlinearity	0
Blow up analysis for a porous media equation with nonlinear sink and nonlinear boundary condition	0
Normalized solutions to the Schrödinger systems with double critical growth and weakly attractive potentials	0
Lagrange stability for a class of impulsive Duffing equation with low regularity	0
Asymptotic phase for flows with exponentially stable partially hyperbolic invariant manifolds	0
Multiple solutions for a fractional $p$-Kirchhoff system with singular nonlinearity	0
An implicit system of delay differential algebraic equations from hydrodynamics	0
Asymptotic behavior of solutions to difference equations in Banach spaces	0
3-dimensional piecewise linear and quadratic vector fields with invariant spheres	0
On the logarithmic fractional Schrödinger–Poisson system with saddle-like potential	0
Qualitative analysis on the diffusive Holling–Tanner predator–prey model	0
Family of quadratic differential systems with invariant parabolas: a complete classification in the space 0
The blow-up method applied to monodromic singularities	0
Positive solutions for a class of concave-convex semilinear elliptic systems with double critical exponents	0
Positive solutions for concave-convex type problems for the one-dimensional ϕ -Laplacian	0
Existence of steady-state solutions for a class of competing systems with cross-diffusion and self-diffusion	0
Convergence of weak solutions of elliptic problems with datum in L	0
An extension to the planar Markus–Yamabe Jacobian conjecture	0
Weighted Lorentz estimates for subquadratic quasilinear elliptic equations with measure data	0
On the B M O and	0
Oscillation criteria for perturbed half-linear differential equations	0
Solvability of thirty-six three-dimensional systems of difference equations of hyperbolic-cotangent type	0
The regularity properties and blow-up of the solutions for improved Boussinesq equations	0
Bifurcation analysis of fractional Kirchhoff–Schrödinger–Poisson systems in	0
Schrödinger–Hardy system without the Ambrosetti–Rabinowitz condition on Carnot groups	0
Singular Kneser solutions of higher-order quasilinear ordinary differential equations	0
A modified zero energy critical point theory with applications to several nonlocal problems	0
Two regularity criteria of the 3D magneto-micropolar equations in Vishik spaces	0
Ground state solution for a class of supercritical nonlocal equations with variable exponent	0
Isolated periodic wave trains in a generalized Burgers–Huxley equation	0
Tightening Poincaré–Bendixson theory after counting separately the fixed points on the boundary and interior of a planar region	0
On the analytic commutator for Λ−Ω differential systems	0
Multiple nonsymmetric nodal solutions for quasilinear Schrödinger system	0
Concentration of solutions for ( N	0
Coupled nonautonomous inclusion systems with spatially variable exponents	0
Infinitely many nodal solutions for a class of quasilinear elliptic equations	0
Note on oscillation of neutral differential equations with multiple delays	0
Heteroclinic solutions in singularly perturbed discontinuous differential equations: a non-generic case	0
Existence of positive solutions for generalized quasilinear Schrödinger equations with Sobolev critical growth	0
Multiplicity of solutions of Kirchhoff-type fractional Laplacian problems with critical and singular nonlinearities	0
Necessary and sufficient conditions for one-dimensional variational problems with applications to elasticity	0
Periodic solution of a bioeconomic fishery model by coincidence degree theory	0
Existence and uniqueness of solutions of a fourth-order boundary value problem with non-homogeneous boundary conditions	0
Global existence and blow-up of solution to a class of fourth-order equation with singular potential and logarithmic nonlinearity	0
Positive solutions of a Kirchhoff–Schrödinger--Newton system with critical nonlocal term	0
Existence and asymptotic behavior of nontrivial solution for Klein–Gordon–Maxwell system with steep potential well	0
Global phase portraits of quintic reversible uniform isochronous centers	0
Errata article for "Three point boundary value problems for ordinary differential equations, uniqueness implies existence"	0
Global existence and blow-up for semilinear parabolic equation with critical exponent in	0
An exact bifurcation diagram for ap-qLaplacian boundary value problem	0
Iterative solution of elliptic equations	0
Existence of nodal solutions to some nonlinear boundary value problems for ordinary differential equations of fourth order	0
Nonautonomous equations and almost reducibility sets	0
Dynamics analysis of a diffusive prey-taxis system with memory and maturation delays	0
Complex dynamics of the system of nonlinear difference equations in the Hilbert space	0
Multi-bump solutions of Schrödinger–Bopp–Podolsky system with steep potential well	0
A nonzero solution for bounded selfadjoint operator equations and homoclinic orbits of Hamiltonian systems	0
Exact solution of the Susceptible–Exposed–Infectious–Recovered–Deceased (SEIRD) epidemic model	0
The Dirichlet problem in an unbounded cone-like domain for second order elliptic quasilinear equations with variable nonlinearity exponent	0
On solvability of focal boundary value problems for higher order functional differential equations with integral restrictions	0
Multiple normalized solutions for ( 2 , q )<	0
Existence of positive ground state solutions of critical nonlinear Klein–Gordon–Maxwell systems	0
A class of singularly perturbed Robin boundary value problems in critical case	0
Existence of nontrivial solutions for a quasilinear Schrödinger–Poisson system in $\mathbb{R}^3$ with periodic potentials	0
Global phase portraits of a predator–prey system	0