Number of items: **94**.

Aliyev Ziyatkhan S. and Nasirova Leyla V.:
*Bifurcation from zero or infinity in nonlinearizable Sturm-Liouville problems with indefinite weight.*
(2021)

Allal Brahim and Fragnelli Genni and Salhi Jawad:
*Null controllability for a singular heat equation with a memory term.*
(2021)

Alvarez Edgardo and Grau Rogelio and Lizama Carlos and Mesquita Jaqueline G.:
*Volterra-Stieltjes integral equations and impulsive Volterra-Stieltjes integral equations.*
(2021)

Andres Jan:
*Corrigendum to "Topological entropy for impulsive differential equations" [Electron. J. Qual. Theory Differ. Equ. 2020, No. 68, 1-15].*
(2021)

Arruda Suellen Cristina Q. and Nascimento Rubia Gonçalves:
*Existence and multiplicity of positive solutions for a singular system via sub-supersolution method and Mountain Pass Theorem.*
(2021)

Artés Joan C. and Mota Marcos C. and Rezende Alex C.:
*Structurally unstable quadratic vector fields of codimension two : families possessing a finite saddle-node and an infinite saddle-node.*
(2021)

Barreira Luis and Valls Claudia:
*Nonautonomous equations and almost reducibility sets.*
(2021)

Bartušek Miroslav and Došlá Zuzana and Marini Mauro:
*Oscillatory solutions of Emden-Fowler type differential equation.*
(2021)

Benterki Rebiha and Jimenez Johana and Llibre Jaume:
*Limit cycles of planar discontinuous piecewise linear Hamiltonian systems without equilibria separated by reducible cubics.*
(2021)

Boichuk Oleksandr and Pokutnyi Oleksandr and Feruk Viktor and Bihun Dmytro:
*Minimizing of the quadratic functional on Hopfield networks.*
(2021)

Bonanno Gabriele and Livrea Roberto:
*A sequence of positive solutions for sixth-order ordinary nonlinear differential problems.*
(2021)

Bravyi Eugene:
*On solvability of focal boundary value problems for higher order functional differential equations with integral restrictions.*
(2021)

Cao Qian:
*Attractivity analysis on a neoclassical growth system incorporating patch structure and multiple pairs of time-varying delays.*
(2021)

Capistrano-Filho Roberto de A.:
*Weak damping for the Korteweg-de Vries equation.*
(2021)

Cardinali Tiziana and Duricchi Giulia:
*On nonlocal problems for semilinear second order differential inclusions without compactness.*
(2021)

Chen Jing and Li Yiqing:
*Ground state solution of a semilinear Schrödinger system with local super-quadratic conditions.*
(2021)

Chen Hui and Xu Xuelian:
*Convective instability in a diffusive predator-prey system.*
(2021)

Cheresiz Vladimir M. and Volokitin Evgenii P.:
*The algebraic curves of planar polynomial differential systems with homogeneous nonlinearities.*
(2021)

Cima Anna and Gasull Armengol and Mañosa Víctor:
*Stability index of linear random dynamical systems.*
(2021)

Danĕček Josef and Stará Jana:
*On the BMO and C 1,γ -regularity for a weak solution of fully nonlinear elliptic systems in dimension three and four.*
(2021)

Demina Maria V.:
*Necessary and sufficient conditions for the existence of invariant algebraic curves.*
(2021)

Drábek Pavel and Zahradníková Michaela:
*Bistable equation with discontinuous density dependent diffusion with degenerations and singularities.*
(2021)

Eloe Paul W. and Henderson Johnny and Neugebauer Jeffrey T.:
*Errata article for "Three point boundary value problems for ordinary differential equations, uniqueness implies existence".*
(2021)

Faria Teresa:
*Permanence and exponential stability for generalised nonautonomous Nicholson systems.*
(2021)

Feng Xiaojing:
*Ground state solution for a class of supercritical nonlocal equations with variable exponent.*
(2021)

Gholizadeh Leila and Mingarelli Angelo B.:
*A converse of Sturm’s separation theorem.*
(2021)

Grecu Andrei and Stancu-Dumitru Denisa:
*The asymptotic behavior of solutions to a class of inhomogeneous problems : an Orlicz-Sobolev space approach.*
(2021)

Guan Yi and Wang JinRong and Fečkan Michal:
*Explicit solution and dynamical properties of atmospheric Ekman flows with boundary conditions.*
(2021)

Hai Dang Dinh and Wang Xiao:
*Existence and multiplicity of positive solutions for singular φ-Laplacian superlinear problems with nonlinear boundary conditions.*
(2021)

Hartung Ferenc:
*Differentiability of solutions with respect to parameters in a class of neutral differential equations with state-dependent delays.*
(2021)

Hattori Harumi and Lagha Aesha:
*Existence of global solutions to chemotaxis fluid system with logistic source.*
(2021)

Heidari Tavani Mohamad Reza and Khodabakhshi Mehdi:
*Infinitely many weak solutions for a fourth-order equation on the whole space.*
(2021)

Huang Shao-Yuan and Hwang Min-Shu:
*Bifurcation curves of positive solutions for the Minkowski-curvature problem with cubic nonlinearity.*
(2021)

Huang Yanqiu and Tao Qiang:
*The decay rates of solutions to a chemotaxis-shallow water system.*
(2021)

Huzak Renato and Rojas David:
*Period function of planar turning points.*
(2021)

Jekl Jan:
*Special cases of critical linear difference equations.*
(2021)

Kalybay Aigerim and Oinarov Ryskul and Sultanaev Yaudat:
*Oscillation and spectral properties of some classes of higher order differential operators and weighted nth order differential inequalities.*
(2021)

Kasbi Gharahasanlou Tohid and Roomi Vahid and Jodayree Akbarfam Aliasghar:
*Existence of a homoclinic orbit in a generalized Liénard type system.*
(2021)

Kloeden Peter E. and Simsen Jacson:
*Coupled nonautonomous inclusion systems with spatially variable exponents.*
(2021)

Kong Lingju and Wang Min:
*Existence of positive solutions for a fractional compartment system.*
(2021)

Konstantinidis Konstantinos and Papaschinopoulos Garyfalos and Schinas Christos J.:
*Hyers-Ulam stability for a partial difference equation.*
(2021)

Kovács Mihály and Sikolya Eszter:
*Corrigendum to "On the stochastic Allen-Cahn equation on networks with multiplicative noise" - [Electron. J. Qual. Theory Differ. Equ. 2021, No. 7, 1-24].*
(2021)

Kovács Mihály and Sikolya Eszter:
*On the stochastic Allen-Cahn equation on networks with multiplicative noise.*
(2021)

Kowalski Piotr M.:
*A saddle point type solution for a system of operator equations.*
(2021)

Li Shiyu and Wei Gongming and Duan Xueliang:
*On existence and asymptotic behavior of solutions of elliptic equations with nearly critical exponent and singular coefficients.*
(2021)

Liang Sihua and Zhang Binlin:
*Sign-changing solutions for fourth-order elliptic equations of Kirchhoff type with critical exponent.*
(2021)

Liu Zhenhai and Papageorgiou Nikolaos S.:
*A double phase equation with convection.*
(2021)

Liu Guanggang:
*Periodic solutions of second order Hamiltonian systems with nonlinearity of general linear growth.*
(2021)

Liu Zhenhai and Papageorgiou Nikolaos S.:
*Multiple positive solutions for singular anisotropic Dirichlet problems.*
(2021)

Lizama Carlos and Murillo Marina:
*Well-posedness for a fourth-order equation of Moore-Gibson-Thompson type.*
(2021)

Luchko Alina and Parasyuk Igor:
*Asymptotic phase for flows with exponentially stable partially hyperbolic invariant manifolds.*
(2021)

Mehraliyev Yashar T. and Azizbayov Elvin I.:
*A time-nonlocal inverse problem for a hyperbolic equation with an integral overdetermination condition.*
(2021)

Meng Yan and Huang Xianjiu and Chen Jianhua:
*Positive solutions for a class of generalized quasilinear Schrödinger equations involving concave and convex nonlinearities in Orlicz space.*
(2021)

Meng Qiong and Liu Guirong and Jin Zhen:
*Hopf bifurcation in a reaction-diffusive-advection two-species competition model with one delay.*
(2021)

Migda Janusz:
*Asymptotic behavior of solutions to difference equations in Banach spaces.*
(2021)

Montenegro Marcelo:
*Existence of solution for Kirchhoff model problems with singular nonlinearity.*
(2021)

Márquez Albés Ignacio:
*Notes on the linear equation with Stieltjes derivatives.*
(2021)

Naito Manabu:
*Singular Kneser solutions of higher-order quasilinear ordinary differential equations.*
(2021)

Novaes Douglas D.:
*Higher order stroboscopic averaged functions : a general relationship with Melnikov functions.*
(2021)

Oliveira Regilene and Schlomiuk Dana and Travaglini Ana Maria:
*Geometry and integrability of quadratic systems with invariant hyperbolas.*
(2021)

Oliveira Regilene and Schlomiuk Dana and Travaglini Ana Maria and Valls Claudia:
*Geometry, integrability and bifurcation diagrams of a family of quadratic differential systems as application of the Darboux theory of integrability.*
(2021)

Onitsuka Masakazu and Tanaka Satoshi:
*Rectifiability of orbits for two-dimensional nonautonomous differential systems.*
(2021)

Pei Minghe and Wang Libo and Lv Xuezhe:
*Existence, uniqueness and qualitative properties of heteroclinic solutions to nonlinear second-order ordinary differential equations.*
(2021)

Peng Linyan and Suo Hongmin and Wu Deke and Feng Hongxi and Lei Chunyu:
*Multiple positive solutions for a logarithmic Schrödinger-Poisson system with singular nonlinearity.*
(2021)

Pereira Jardel Morais:
*Pullback attractor for a nonlocal discrete nonlinear Schrödinger equation with delays.*
(2021)

Qian Xiaotao:
*Multiplicity of positive solutions for a class of nonlocal problem involving critical exponent.*
(2021)

Sabatini Marco:
*An extension to the planar Markus-Yamabe Jacobian conjecture.*
(2021)

Schlage-Puchta Jan-Christoph:
*Optimal version of the Picard-Lindelöf theorem.*
(2021)

Shakhmurov Veli and Shahmurov Rishad:
*Regularity properties and blow-up of the solutions for improved Boussinesq equations.*
(2021)

Song Mingliang and Li Runzhen:
*A nonzero solution for bounded selfadjoint operator equations and homoclinic orbits of Hamiltonian systems.*
(2021)

Stelmastchuk Simão N.:
*Linear flows on compact, semisimple Lie groups : stability and periodic orbits.*
(2021)

Stević Stevo:
*General solutions to subclasses of a two-dimensional class of systems of difference equations.*
(2021)

Teng Kaimin and Yan Yunxia:
*Existence of a positive bound state solution for the nonlinear Schrödinger-Bopp-Podolsky system.*
(2021)

Tomeček Jan and Krajščáková Věra:
*Subharmonic bouncing solutions of generalized Lazer-Solimini equation.*
(2021)

Tong Yonghui and Guo Hui and Figueiredo Giovany M.:
*Ground state sign-changing solutions and infinitely many solutions for fractional logarithmic Schrödinger equations in bounded domains.*
(2021)

Tunç Ercan and Şahin Serpil and Graef John R. and Pinelas Sandra:
*New oscillation criteria for third-order differential equations with bounded and unbounded neutral coefficients.*
(2021)

Velayati M. R.:
*λ-lemma for nonhyperbolic point in intersection.*
(2021)

Viana Luiz:
*3D incompressible flows with small viscosity around distant obstacles.*
(2021)

Wang Zhongxiang and Jia Gao:
*Existence and multiplicity of nontrivial solutions to the modified Kirchhoff equation without the growth and Ambrosetti-Rabinowitz conditions.*
(2021)

Wang Pengyan:
*Uniqueness and monotonicity of solutions for fractional equations with a gradient term.*
(2021)

Wu Zijian and Chen Haibo:
*A class of fourth-order elliptic equations with concave and convex nonlinearities in RN.*
(2021)

Xiao Yingying and Zhu Chuanxi:
*New results on the existence of ground state solutions for generalized quasilinear Schrödinger equations coupled with the Chern-Simons gauge theory.*
(2021)

Ya Tian and Ran Xu and Yao Qin:
*Blow-up analysis for a porous media equation with nonlinear sink and nonlinear boundary condition.*
(2021)

Yang Xiaolong:
*Infinitely many nodal solutions for a class of quasilinear elliptic equations.*
(2021)

Yu Shubin and Zhang Ziheng and Yuan Rong:
*Sign-changing solutions for a Schrödinger-Kirchhoff-Poisson system with 4-sublinear growth nonlinearity.*
(2021)

Zegeling André and Zegeling Paul Andries:
*S-shaped bifurcations in a two-dimensional Hamiltonian system.*
(2021)

Zhang Xin:
*Solitary waves for a fractional Klein-Gordon-Maxwell equation.*
(2021)

Zhang Yue and Zhang Jing:
*Optimal harvesting for a stochastic competition system with stage structure and distributed delay.*
(2021)

Zheng Pan and Xu Zhonghua and Gao Zhangqin:
*Blow-up analysis in a quasilinear parabolic system coupled via nonlinear boundary flux.*
(2021)

Zheng Ting-Ting and Nie Lin-Fei and Teng Zhi-Dong and Luo Yan-Tao and Wang Sheng-Fu:
*Analysis of an age-structured dengue model with multiple strains and cross immunity.*
(2021)

Zhou Fen and Shen Zifei and Rădulescu Vicenţiu D.:
*Infinitely many radial positive solutions for nonlocal problems with lack of compactness.*
(2021)

Zhu Ningning:
*Existence of steady-state solutions for a class of competing systems with cross-diffusion and self-diffusion.*
(2021)

Šremr Jiří:
*Existence and exact multiplicity of positive periodic solutions to forced non-autonomous Duffing type differential equations.*
(2021)

Švígler Vladimír:
*Periodic stationary solutions of the Nagumo lattice differential equation : existence regions and their number.*
(2021)