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Aliyev Ziyatkhan S.; Nasirova Leyla V.: Bifurcation from zero or infinity in nonlinearizable Sturm-Liouville problems with indefinite weight. (2021)
Allal Brahim; Fragnelli Genni; Salhi Jawad: Null controllability for a singular heat equation with a memory term. (2021)
Alvarez Edgardo; Grau Rogelio; Lizama Carlos; 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.; 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.; Mota Marcos C.; 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; Valls Claudia: Nonautonomous equations and almost reducibility sets. (2021)
Bartušek Miroslav; Došlá Zuzana; Marini Mauro: Oscillatory solutions of Emden-Fowler type differential equation. (2021)
Benterki Rebiha; Jimenez Johana; Llibre Jaume: Limit cycles of planar discontinuous piecewise linear Hamiltonian systems without equilibria separated by reducible cubics. (2021)
Boichuk Oleksandr; Pokutnyi Oleksandr; Feruk Viktor; Bihun Dmytro: Minimizing of the quadratic functional on Hopfield networks. (2021)
Bonanno Gabriele; 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; Duricchi Giulia: On nonlocal problems for semilinear second order differential inclusions without compactness. (2021)
Chen Jing; Li Yiqing: Ground state solution of a semilinear Schrödinger system with local super-quadratic conditions. (2021)
Chen Hui; Xu Xuelian: Convective instability in a diffusive predator-prey system. (2021)
Cheresiz Vladimir M.; Volokitin Evgenii P.: The algebraic curves of planar polynomial differential systems with homogeneous nonlinearities. (2021)
Cima Anna; Gasull Armengol; Mañosa Víctor: Stability index of linear random dynamical systems. (2021)
Danĕček Josef; 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; Zahradníková Michaela: Bistable equation with discontinuous density dependent diffusion with degenerations and singularities. (2021)
Eloe Paul W.; Henderson Johnny; 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; Mingarelli Angelo B.: A converse of Sturm’s separation theorem. (2021)
Grecu Andrei; Stancu-Dumitru Denisa: The asymptotic behavior of solutions to a class of inhomogeneous problems : an Orlicz-Sobolev space approach. (2021)
Guan Yi; Wang JinRong; Fečkan Michal: Explicit solution and dynamical properties of atmospheric Ekman flows with boundary conditions. (2021)
Hai Dang Dinh; 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; Lagha Aesha: Existence of global solutions to chemotaxis fluid system with logistic source. (2021)
Heidari Tavani Mohamad Reza; Khodabakhshi Mehdi: Infinitely many weak solutions for a fourth-order equation on the whole space. (2021)
Huang Shao-Yuan; Hwang Min-Shu: Bifurcation curves of positive solutions for the Minkowski-curvature problem with cubic nonlinearity. (2021)
Huang Yanqiu; Tao Qiang: The decay rates of solutions to a chemotaxis-shallow water system. (2021)
Huzak Renato; Rojas David: Period function of planar turning points. (2021)
Jekl Jan: Special cases of critical linear difference equations. (2021)
Kalybay Aigerim; Oinarov Ryskul; Sultanaev Yaudat: Oscillation and spectral properties of some classes of higher order differential operators and weighted nth order differential inequalities. (2021)
Kasbi Gharahasanlou Tohid; Roomi Vahid; Jodayree Akbarfam Aliasghar: Existence of a homoclinic orbit in a generalized Liénard type system. (2021)
Kloeden Peter E.; Simsen Jacson: Coupled nonautonomous inclusion systems with spatially variable exponents. (2021)
Kong Lingju; Wang Min: Existence of positive solutions for a fractional compartment system. (2021)
Konstantinidis Konstantinos; Papaschinopoulos Garyfalos; Schinas Christos J.: Hyers-Ulam stability for a partial difference equation. (2021)
Kovács Mihály; 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; 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; Wei Gongming; Duan Xueliang: On existence and asymptotic behavior of solutions of elliptic equations with nearly critical exponent and singular coefficients. (2021)
Liang Sihua; Zhang Binlin: Sign-changing solutions for fourth-order elliptic equations of Kirchhoff type with critical exponent. (2021)
Liu Zhenhai; 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; Papageorgiou Nikolaos S.: Multiple positive solutions for singular anisotropic Dirichlet problems. (2021)
Lizama Carlos; Murillo Marina: Well-posedness for a fourth-order equation of Moore-Gibson-Thompson type. (2021)
Luchko Alina; Parasyuk Igor: Asymptotic phase for flows with exponentially stable partially hyperbolic invariant manifolds. (2021)
Mehraliyev Yashar T.; Azizbayov Elvin I.: A time-nonlocal inverse problem for a hyperbolic equation with an integral overdetermination condition. (2021)
Meng Yan; Huang Xianjiu; Chen Jianhua: Positive solutions for a class of generalized quasilinear Schrödinger equations involving concave and convex nonlinearities in Orlicz space. (2021)
Meng Qiong; Liu Guirong; 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; Schlomiuk Dana; Travaglini Ana Maria: Geometry and integrability of quadratic systems with invariant hyperbolas. (2021)
Oliveira Regilene; Schlomiuk Dana; Travaglini Ana Maria; 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; Tanaka Satoshi: Rectifiability of orbits for two-dimensional nonautonomous differential systems. (2021)
Pei Minghe; Wang Libo; Lv Xuezhe: Existence, uniqueness and qualitative properties of heteroclinic solutions to nonlinear second-order ordinary differential equations. (2021)
Peng Linyan; Suo Hongmin; Wu Deke; Feng Hongxi; 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; Shahmurov Rishad: Regularity properties and blow-up of the solutions for improved Boussinesq equations. (2021)
Song Mingliang; 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; Yan Yunxia: Existence of a positive bound state solution for the nonlinear Schrödinger-Bopp-Podolsky system. (2021)
Tomeček Jan; Krajščáková Věra: Subharmonic bouncing solutions of generalized Lazer-Solimini equation. (2021)
Tong Yonghui; Guo Hui; Figueiredo Giovany M.: Ground state sign-changing solutions and infinitely many solutions for fractional logarithmic Schrödinger equations in bounded domains. (2021)
Tunç Ercan; Şahin Serpil; Graef John R.; 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; 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; Chen Haibo: A class of fourth-order elliptic equations with concave and convex nonlinearities in RN. (2021)
Xiao Yingying; 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; Ran Xu; 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; Zhang Ziheng; Yuan Rong: Sign-changing solutions for a Schrödinger-Kirchhoff-Poisson system with 4-sublinear growth nonlinearity. (2021)
Zegeling André; 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; Zhang Jing: Optimal harvesting for a stochastic competition system with stage structure and distributed delay. (2021)
Zheng Pan; Xu Zhonghua; Gao Zhangqin: Blow-up analysis in a quasilinear parabolic system coupled via nonlinear boundary flux. (2021)
Zheng Ting-Ting; Nie Lin-Fei; Teng Zhi-Dong; Luo Yan-Tao; Wang Sheng-Fu: Analysis of an age-structured dengue model with multiple strains and cross immunity. (2021)
Zhou Fen; Shen Zifei; 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)