Articles with "many solutions" as a keyword



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Infinitely Many Solutions for Fractional p-Kirchhoff Equations

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Published in 2018 at "Mediterranean Journal of Mathematics"

DOI: 10.1007/s00009-018-1124-x

Abstract: In this paper we consider the existence of infinitely many weak solutions for fractional Schrödinger–Kirchhoff problems. Precisely speaking, we investigate $$\begin{aligned} \left\{ \begin{array}{cl} M\left( \int _{\mathbb {R}^{2n}}\frac{|u(x)-u(y)|^p}{|x-y|^{n+sp}}\mathrm{d}x\mathrm{d}y\right) (-\triangle )_p^su+V(x)|u|^{p-2}u=f(x,u), &{}\quad \mathrm{in}~\Omega ,\\ u=0, &{}\quad \mathrm{in}~\mathbb… read more here.

Keywords: kirchhoff; solutions fractional; many solutions; infinitely many ... See more keywords
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Positive Solutions and Infinitely Many Solutions for a Weakly Coupled System

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Published in 2020 at "Acta Mathematica Scientia"

DOI: 10.1007/s10473-020-0523-9

Abstract: We study a Schrödinger system with the sum of linear and nonlinear couplings. Applying index theory, we obtain infinitely many solutions for the system with periodic potentials. Moreover, by using the concentration compactness method, we… read more here.

Keywords: system; solutions infinitely; positive solutions; solutions weakly ... See more keywords
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Many solutions to the S-unit equation $$a + 1 = c$$

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Published in 2019 at "Acta Mathematica Hungarica"

DOI: 10.1007/s10474-019-00948-z

Abstract: We show that there are arbitrarily large sets $S$ of $s$ primes for which the number of solutions to $a+1=c$ where all prime factors of $ac$ lie in $S$ has $\gg \exp( s^{1/4}/\log s)$ solutions. read more here.

Keywords: solutions unit; unit equation; many solutions;
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Infinitely Many Solutions for Impulsive Nonlocal Elastic Beam Equations

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Published in 2017 at "Differential Equations and Dynamical Systems"

DOI: 10.1007/s12591-017-0397-z

Abstract: In this paper, we study the existence of solutions for impulsive beam equations of Kirchhoff-type. By using critical point theory, we obtain some new criteria for guaranteeing that impulsive fourth-order differential equations of Kirchhoff-type have… read more here.

Keywords: beam equations; many solutions; infinitely many; impulsive nonlocal ... See more keywords
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Infinitely many solutions for a class of fractional Hamiltonian systems with combined nonlinearities

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Published in 2019 at "Analysis and Mathematical Physics"

DOI: 10.1007/s13324-017-0197-1

Abstract: This paper concerns the existence of infinitely many solutions for the following fractional Hamiltonian systems: $$\begin{aligned} \left\{ \begin{array}{lllll} -_{t}D^{\alpha }_{\infty }(_{-\infty }D^{\alpha }_{t}x(t))-L(t).x(t)+\nabla W(t,x(t))=0,\\ x\in H^{\alpha }({\mathbb R}, {\mathbb R}^{N}), \end{array} \right. \end{aligned}$$-tD∞α(-∞Dtαx(t))-L(t).x(t)+∇W(t,x(t))=0,x∈Hα(R,RN),where $$\alpha \in… read more here.

Keywords: alpha; infinitely many; hamiltonian systems; fractional hamiltonian ... See more keywords
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Infinitely many solutions of fractional Schrödinger–Maxwell equations

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Published in 2021 at "Journal of Mathematical Physics"

DOI: 10.1063/5.0028800

Abstract: In this article, we investigate the existence of infinitely many solutions to the 3D fractional Schrodinger–Maxwell equations (−Δ)su + V(x)u + ϕu = λf(x, u), (−Δ)sϕ = u2, where 0 < s < 1, λ… read more here.

Keywords: fractional schr; solutions fractional; many solutions; infinitely many ... See more keywords
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Infinitely many solutions for a class of stationary Schrödinger equations with non-standard growth

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Published in 2018 at "Complex Variables and Elliptic Equations"

DOI: 10.1080/17476933.2017.1322074

Abstract: In this paper, we study the existence of infinitely many solutions for a class of stationary Schrödinger type equations in involving the p(x)-Laplacian. The non-linearity is superlinear but does not satisfy the Ambrosetti-Rabinowitz type condition.… read more here.

Keywords: class stationary; solutions class; many solutions; stationary schr ... See more keywords
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Infinitely Many Solutions of Schrödinger-Poisson Equations with Critical and Sublinear Terms

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Published in 2019 at "Advances in Mathematical Physics"

DOI: 10.1155/2019/8453176

Abstract: Faculty of Applied Mathematics, Shanxi University of Finance and Economics, Taiyuan, Shanxi 030006, China College of Mathematics and Statistics, Chongqing University, Chongqing 401331, China Department of Mathematics, North University of China, Taiyuan, Shanxi 030051, China… read more here.

Keywords: mathematics; dinger poisson; many solutions; infinitely many ... See more keywords
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Infinitely many solutions for fractional Schrödinger equation with potential vanishing at infinity

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Published in 2019 at "Boundary Value Problems"

DOI: 10.1186/s13661-019-1175-3

Abstract: AbstractThe paper investigates the following fractional Schrödinger equation: (−Δ)su+V(x)u=K(x)f(u),x∈RN, $$\begin{aligned} (-\Delta )^{s}u+V(x)u=K(x)f(u), \quad x\in \mathbb{R}^{N}, \end{aligned}$$ where 0 read more here.

Keywords: schr dinger; infinitely many; dinger equation; many solutions ... See more keywords
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Remarks on infinitely many solutions for a class of Schrödinger equations with sign-changing potential

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Published in 2020 at "Boundary Value Problems"

DOI: 10.1186/s13661-020-01356-x

Abstract: In this paper, we study the existence of infinitely many nontrivial solutions for the following semilinear Schrödinger equation: { − Δ u + V ( x ) u = f ( x , u )… read more here.

Keywords: remarks infinitely; many solutions; infinitely many; sign changing ... See more keywords
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Existence of infinitely many solutions for a p-Kirchhoff problem in RN

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Published in 2020 at "Boundary Value Problems"

DOI: 10.1186/s13661-020-01403-7

Abstract: We consider the existence of multiple solutions of the following singular nonlocal elliptic problem: $$\begin{aligned} \textstyle\begin{cases} -M(\int _{\mathbb{R} ^{N}}{ \vert x \vert ^{-ap} \vert \nabla u \vert ^{p}})\operatorname{div}( \vert x \vert ^{-ap} \vert \nabla u… read more here.

Keywords: many solutions; infinitely many; vert; vert nabla ... See more keywords