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We establish some existence results for a class of critical elliptic problems with singular exponential nonlinearities. We do not assume any global sign conditions on the nonlinearity, which makes our results new even in the nonsingular…

Analysis of PDEs · Mathematics 2020-06-04 Shiqiu Fu , Kanishka Perera

We establish the multiplicity of positive solutions to a quasilinear Neumann problem in expanding balls and hemispheres with critical exponent in the boundary condition.

Analysis of PDEs · Mathematics 2016-12-05 Aleksandr Enin

In the paper, results on the existence of critical points in annular subsets of a cone are obtained with the additional goal of obtaining multiplicity results. Compared to other approaches in the literature based on the use of…

Analysis of PDEs · Mathematics 2025-12-19 Radu Precup , Andrei Stan

In this paper we investivate bifurcation results for a class of problem in a smooth bounded domain involving the fractional p-Laplacian operator and with a nonlinearity that reaches the critical growth with respect to the fractional Sobolev…

Analysis of PDEs · Mathematics 2015-05-14 Kanishka Perera , Marco Squassina , Yang Yang

For a complete noncompact connected Riemannian manifold with bounded geometry, we prove a compactness result for sequences of finite perimeter sets with uniformly bounded volume and perimeter in a larger space obtained by adding limit…

Metric Geometry · Mathematics 2015-04-21 Abraham Enrique Muñoz Flores , Stefano Nardulli

Let $\Omega \subset \mathbb{R}^N$, $N \geq 2$, be a smooth bounded domain. We consider the boundary value problem \begin{equation} \label{Plambda-Abstract-ch3} \tag{$P_{\lambda}$} -\Delta u = c_{\lambda}(x) u + \mu |\nabla u|^2 + h(x)\,,…

Analysis of PDEs · Mathematics 2019-09-12 Colette De Coster , Antonio J. Fernández

In this article, we study the existence and multiplicity of solutions of the following $(p,q)$-Laplace equation with singular nonlinearity: \begin{equation*} \left\{\begin{array}{rllll} -\Delta_{p}u-\ba\Delta_{q}u & = \la u^{-\de}+ u^{r-1},…

Analysis of PDEs · Mathematics 2020-06-24 Deepak Kumar , V. D. Radulescu , K. Sreenadh

On a compact Riemannian manifold, we study a singular elliptic equation with critical Sobolev exponent and critical Hardy potential. In a first part, we prove an $H^2_1$ type decomposition result for Palais-Smale sequences of the associated…

Analysis of PDEs · Mathematics 2019-01-10 Youssef Maliki , Fatima Zohra Terki

We consider Dirichlet elliptic equations driven by the sum of a $p$-Laplacian $(2<p)$ and a Laplacian. The conditions on the reaction term imply that the problem is resonant at both $\pm\infty$ and at zero. We prove an existence theorem…

Analysis of PDEs · Mathematics 2018-01-18 Nikolaos S. Papageorgiou , Vicenţiu D. Rădulescu , Dušan D. Repovš

In this short paper we show a sufficient condition for the solvability of the Dirichlet problem at infinity in Riemannian cones (as defined below).This condition is related to a celebrated result of Milnor that classifies parabolic…

Differential Geometry · Mathematics 2021-11-23 Jean C. Cortissoz

The aim of this paper is to extend previous results regarding the multiplicity of solutions for quasilinear elliptic problems with critical growth to the variable exponent case. We prove, in the spirit of \cite{DPFBS}, the existence of at…

Analysis of PDEs · Mathematics 2009-12-18 Analía Silva

We study the coupled Schr\"odinger equations with critical exponent on $\mathbb{R}^3 \times \mathbb{T}$. With the help of scaling argument and semivirial-vanishing technology, we obtain the existence and $y$-dependence of solution, the tori…

Analysis of PDEs · Mathematics 2025-12-15 Jun Wang , Zhaoyang Yin

It is proved the existence of single-valued analytic solutions in the unit disk and multivalent analytic solutions in domains bounded by a finite collection of circles for the Riemann-Hilbert problem with coefficients of sigma-finite…

Complex Variables · Mathematics 2015-10-07 A. S. Efimushkin , V. I. Ryazanov

We obtain fundamental imbeddings for the fractional Sobolev space with variable exponent that is a generalization of well-known fractional Sobolev spaces. As an application, we obtain a-priori bounds and multiplicity of solutions to some…

Analysis of PDEs · Mathematics 2018-10-12 Ky Ho , Yun-Ho Kim

In this paper we derive an upper bound for the degree of the strict invariant algebraic curve of a polynomial system in the complex project plane under generic condition. The results are obtained through the algebraic multiplicities of the…

Classical Analysis and ODEs · Mathematics 2023-09-29 Jinzhi Lei , Lijun Yang

The present paper gives an overview of the recent developments in the description of critical behavior for Hamiltonian perturbations of hyperbolic and elliptic systems of partial differential equations. It was conjectured that this behavior…

Mathematical Physics · Physics 2011-11-16 Tom Claeys

Using variational methods together with symmetries given by singular Riemannian foliations with positive dimensional leaves, we prove the existence of an infinite number of sign-changing solutions to Yamabe type problems, which are constant…

Analysis of PDEs · Mathematics 2023-06-23 Diego Corro , Juan Carlos Fernández , Raquel Perales

Existence results for a class of Choquard equations with potentials are established. The potential has a limit at infinity and it is taken invariant under the action of a closed subgroup of linear isometries of $\mathbb{R}^N$. As a…

Analysis of PDEs · Mathematics 2021-07-27 Liliane Maia , Benedetta Pellacci , Delia Schiera

In this paper, we deal with the existence and multiplicity of solutions to the nonuniformly elliptic equation of the N-Lapalcian type with a potential and a nonlinear term of critical exponential growth and satisfying the…

Analysis of PDEs · Mathematics 2011-07-05 Nguyen Lam , Guozhen Lu

In this paper we prove a multiplicity result concerning the critical points of a class of functionals involving local and nonlocal nonlinearities. We apply our result to the nonlinear Schrodinger-Maxwell system and to the nonlinear elliptic…

Analysis of PDEs · Mathematics 2010-06-04 Antonio Azzollini , Pietro d'Avenia , Alessio Pomponio
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