Results 41 to 50 of about 2,421 (92)

Identification of discontinuous parameters in double phase obstacle problems

open access: yesAdvances in Nonlinear Analysis, 2022
In this article, we investigate the inverse problem of identification of a discontinuous parameter and a discontinuous boundary datum to an elliptic inclusion problem involving a double phase differential operator, a multivalued convection term (a ...
Zeng Shengda   +3 more
doaj   +1 more source

Standing wave solution for the generalized Jackiw-Pi model

open access: yesAdvances in Nonlinear Analysis, 2022
We study the existence and nonexistence of the standing wave solution for the generalized Jackiw-Pi model by using variational method. Depending on interaction strength λ\lambda , we have three different situations.
Huh Hyungjin   +3 more
doaj   +1 more source

On the critical Choquard-Kirchhoff problem on the Heisenberg group

open access: yesAdvances in Nonlinear Analysis, 2022
In this paper, we deal with the following critical Choquard-Kirchhoff problem on the Heisenberg group of the form: M(‖u‖2)(−ΔHu+V(ξ)u)=∫HN∣u(η)∣Qλ∗∣η−1ξ∣λdη∣u∣Qλ∗−2u+μf(ξ,u),M\left(\Vert u{\Vert }^{2})\left(-{\Delta }_{{\mathbb{H}}}u\left+V\left(\xi )u)=\
Sun Xueqi, Song Yueqiang, Liang Sihua
doaj   +1 more source

A strongly indefinite Choquard equation with critical exponent due to the Hardy-Littlewood-Sobolev inequality [PDF]

open access: yesarXiv, 2017
In this paper we are concerned with the following nonlinear Choquard equation $$-\Delta u+V(x)u =\left(\int_{\mathbb{R}^N}\frac{G(y,u)}{|x-y|^{\mu}}dy\right)g(x,u)\hspace{4.14mm}\mbox{in}\hspace{1.14mm} \mathbb{R}^N, $$ where $N\geq4$, $0<\mu
arxiv  

Weighted critical exponents of Sobolev-type embeddings for radial functions

open access: yesAdvanced Nonlinear Studies, 2022
In this article, we prove the upper weighted critical exponents for some embeddings from weighted Sobolev spaces of radial functions into weighted Lebesgue spaces. We also consider the lower critical exponent for certain embedding.
Su Jiabao, Wang Cong
doaj   +1 more source

Schrodinger equation with critical Sobolev exponent [PDF]

open access: yesarXiv, 2004
In this paper we study the existence of solutions and their concentration phenomena of a singularly perturbed semilinear Schrodinger equation with the presence of the critical Sobolev exponent.
arxiv  

Multiple solutions to multi-critical Schrödinger equations

open access: yesAdvanced Nonlinear Studies, 2022
In this article, we investigate the existence of multiple positive solutions to the following multi-critical Schrödinger equation: (0.1)−Δu+λV(x)u=μ∣u∣p−2u+∑i=1k(∣x∣−(N−αi)∗∣u∣2i∗)∣u∣2i∗−2uinRN,u∈H1(RN),\left\{\begin{array}{l}-\Delta u+\lambda V\left(x)u=
Xu Ziyi, Yang Jianfu
doaj   +1 more source

A note on the Neumann problem [PDF]

open access: yesarXiv, 2009
In this paper we provide an application to the Neumann problem of a recent three critical points theorem.
arxiv  

Critical nonlocal Schrödinger-Poisson system on the Heisenberg group

open access: yesAdvances in Nonlinear Analysis, 2021
In this paper, we are concerned with the following a new critical nonlocal Schrödinger-Poisson system on the Heisenberg group:
Liu Zeyi   +4 more
doaj   +1 more source

On the Dirichlet Problem Generated by the Maz'ya--Sobolev Inequality [PDF]

open access: yesarXiv, 2011
We discuss the attainability of sharp constants for the Maz'ya--Sobolev inequalities in wedges, "perturbed" wedges and bounded domains.
arxiv  

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