Existence results for a sublinear second order Dirichlet boundary value problem on the half-line by Dahmane Bouafia, Toufik Moussaoui

Subjects: “…ekeland's variational principle…”
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Multiple positive solutions for equations involving critical Sobolev exponent in R^N by Claudianor Oliveira Alves

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Higher-order error bound for the difference of two functions by Hui Huang, Mengxue Xia

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Multiple positive solutions for Schrödinger problems with concave and convex nonlinearities by Xiaofei Cao, Junxiang Xu

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Multiple positive solutions for Kirchhoff type problems involving concave and convex nonlinearities in R^3 by Xiaofei Cao, Junxiang Xu, Jun Wang

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An asymmetric problem at resonance with a one-sided Ahmad-Lazer-Paul condition by Leandro L. Recova, Adolfo J. Rumbos

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Existence of solution for a Kirchhoff type problem involving the fractional p-Laplace operator by Wenjing Chen, Shengbing Deng

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Existence results for a class of (p,q) Laplacian systems by G. A. Afrouzi, M. Mirzapour

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Bifurcation analysis of elliptic equations described by nonhomogeneous differential operators by Habib Maagli, Ramzi Alsaedi, Noureddine Zeddini

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Maximum principle for a nonlinear size-structured model of fish and fry management by Rong Liu, Guirong Liu

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Existence of solutions to quasilinear elliptic systems with combined critical Sobolev-Hardy terms by Nemat Nyamoradi, Mohamad Javidi

Subjects: “…Ekeland variational principle…”
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Stationary Kirchhoff equations and systems with reaction terms by Radu Precup, Andrei Stan

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A multiplicity result for a class of superquadratic Hamiltonian systems by Joao Marcos Do O, Pedro Ubilla

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Existence of two positive solutions for indefinite Kirchhoff equations in R^3 by Ling Ding, Yi-Jie Meng, Shi-Wu Xiao, Jin-Ling Zhang

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On I. Meghea and C. S. Stamin review article “Remarks on some variants of minimal point theorem and Ekeland variational principle with applications,” Demonstratio Mathematica 2022;... by Göpfert Alfred, Tammer Christiane, Zălinescu Constantin

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Multiple solutions for Schrodinger-Poisson systems with sign-changing potential and critical nonlinearity by Liuyang Shao, Haibo Chen

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Two solutions for a nonhomogeneous Klein–Gordon–Maxwell system by Lixia Wang

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A class of fourth-order elliptic equations with concave and convex nonlinearities in $\mathbb{R}^N$ by Zijian Wu, Haibo Chen

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Nonhomogeneous fractional $p$-Kirchhoff problems involving a critical nonlinearity by Jiabin Zuo, Tianqing An, Guoju Ye, Zhenhua Qiao

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Ekeland’s Variational Principle and Minimization Takahashi’s Theorem in Generalized Metric Spaces by Eshagh Hashemi, Reza Saadati

Subjects: “…Ekeland variational principle…”
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