103 citations · 301 across the 31 of their papers we have counts for
41 papers · 1 filter
Critical curl extremals and the hyperbolic plane
Jarosław Mederski
We study the critical Sobolev-curl quotient on at the conformally invariant exponent . Its sharp constant and optimizers were posed as open problems in the li…
Global well-posedness and orbital stability of the Gross--Pitaevskii branch in a coupled defocusing Schrödinger system
Michał Kowalczyk, Jarosław Mederski, Isidora Miranda
We consider a one-dimensional coupled defocusing Schrödinger system with a nonzero background in its first component and finite mass in its second component. We prove global well-p…
On a critical curl-curl system of Lane-Emden type
Ioannis Arkoudis, Jarosław Mederski, Andrzej Szulkin
We study the system , of Lane-Emden type in , with exponents on the critical…
Explicit counterexamples to Frank-Loss optimizer conjectures for critical Dirac and vector Sobolev inequalities
Bartosz Bieganowski, Jarosław Mederski
Frank and Loss proposed critical Sobolev inequalities for the Dirac operator and for vector fields. They conjectured optimality of their spinorial family and wrote that it is conce…
Ground state solutions to Born-Infeld-Choquard problem
Jarosław Mederski, Xiangjian Zeng
In this paper, we investigate the existence and qualitative properties of ground state solutions for the nonlocal Born-Infeld-Choquard problem \begin{equation*} \begin{cases} -{\rm…
Ground state solutions to the nonlinear Born-Infeld problem
Bartosz Bieganowski, Norihisa Ikoma, Jarosław Mederski
In the paper we show the existence of ground state solutions to the nonlinear Born-Infeld problem \[ \mathrm{div}\, \left( \frac{\nabla u}{\sqrt{1-|\nabla u|^2}} \right) + f(u) = 0…
Optimizers in Sobolev-curl inequalities
Jarosław Mederski, Andrzej Szulkin
We study a Sobolev-type inequality involving the -curl operator in . We prove the existence of a minimizer which yields a solution…
Polyharmonic Nonlinear Scalar Field Equations
Alessandro Cannone, Silvia Cingolani, Jarosław Mederski
In this paper, we present a result on the existence of ground state solutions for the polyharmonic nonlinear equation , assuming that has a general subcritical g…
Traveling waves for nonlinear Schrödinger equations
Laura Baldelli, Bartosz Bieganowski, Jarosław Mederski
We look for traveling wave solutions to the nonlinear Schrödinger equation with a subsonic speed, covering several physical models with Sobolev subcritical nonlinear effects. Our a…
Travelling waves for Maxwell's equations in nonlinear and symmetric media
Jarosław Mederski, Jacopo Schino
We look for travelling wave fields satisfying Maxwell's equations…
Multiple normalized solutions to a system of nonlinear Schrödinger equations
Jarosław Mederski, Andrzej Szulkin
We find a normalized solution to the system of coupled nonlinear Schrödinger equations \begin{equation*} \left\{ \begin{array}{l} -Δu_i+ λ_i u_i = \sum_{j=…
Between Maxwell and Born-Infeld: the presence of the magnetic field
Pietro d'Avenia, Jarosław Mederski
Our motivation is to consider an electromagnetic Lagrangian density , depending on a parameter such that, for it corresponds to the Born-Infeld Lagrangian dens…
Normalized solutions to Born-Infeld and quasilinear problems
Laura Baldelli, Jarosław Mederski, Alessio Pomponio
The paper concerns the existence of normalized solutions to a large class of quasilinear problems, including the well-known Born-Infeld operator. In the mass subcritical cases, we…
Semiclassical states for the curl-curl problem
Bartosz Bieganowski, Adam Konysz, Jarosław Mederski
We show the existence of the so-called semiclassical states to the following curl-curl problem $$ \varepsilon^2\; \nabla \times (\nabla \ti…
Normalized solutions to Schrödinger equations in the strongly sublinear regime
Jarosław Mederski, Jacopo Schino
We look for solutions to the Schrödinger equation \[ -Δu + λu = g(u) \quad \text{in } \mathbb{R}^N \] coupled with the mass constraint , with $N…
Normalized solutions to at least mass critical problems: singular polyharmonic equations and related curl-curl problems
Bartosz Bieganowski, Jarosław Mederski, Jacopo Schino
We are interested in the existence of normalized solutions to the problem \begin{equation*} \begin{cases} (-Δ)^m u+\fracμ{|y|^{2m}}u + λu = g(u), \quad x = (y,z) \in \mathbb{R}^K \…
Travelling waves for Maxwell's equations in nonlinear and nonsymmetric media
Jarosław Mederski, Wolfgang Reichel
We look for travelling wave fields satisfying Maxwell's equations…
Born-Infeld problem with general nonlinearity
Jarosław Mederski, Alessio Pomponio
In this paper, using variational methods, we look for non-trivial solutions for the following problem $$ \begin{cases} -{\rm div}\left(a(|\nabla u|^2)\nabla u\right)=g(u), & \hbox{…
Biharmonic nonlinear scalar field equations
Jarosław Mederski, Jakub Siemianowski
We prove a Brezis-Kato-type regularity result for weak solutions to the biharmonic nonlinear equation with a Carathéodory function $…
Nonlinear curl-curl problems in
Jarosław Mederski, Jacopo Schino
We survey recent results concerning ground states and bound states to the curl-curl problem $$\nabla\times(\nabla\times u)+V(x)u= f(x,u) \quad\…
Least energy solutions to a cooperative system of Schrödinger equations with prescribed -bounds: at least -critical growth
Jarosław Mederski, Jacopo Schino
We look for least energy solutions to the cooperative systems of coupled Schrödinger equations \begin{equation*} \begin{cases} -Δu_i + λ_i u_i = \partial_iG(u)\quad \mathrm{in} \ \…
Nonlinear scalar field equation with competing nonlocal terms
Pietro d'Avenia, Jarosław Mederski, Alessio Pomponio
We find radial and nonradial solutions to the following nonlocal problem under general a…
Multiple solutions to cylindrically symmetric curl-curl problems and related Schrödinger equations with singular potentials
Michał Gaczkowski, Jarosław Mederski, Jacopo Schino
We look for multiple solutions to the curl-curl problem \[ \nabla\times\nabla\times\mathbf{U}=h(x,\mathbf{U}),\qquad x\in\mathbb{R}^3,…
Normalized ground states of the nonlinear Schrödinger equation with at least mass critical growth
Bartosz Bieganowski, Jarosław Mederski
We propose a simple minimization method to show the existence of least energy solutions to the normalized problem \begin{cases} -Δu + λu = g(u) \quad \mathrm{in} \ \mathbb{R}^N, \…