activity
20192026
most citedMultiple solutions to a nonlinear curl-curl problem in

22 citations · 50 across the 18 of their papers we have counts for

collaborators

18 papers

math.AP2026

A generalisation of the Gagliardo--Nirenberg Inequality with applications to mass-critical and mass-subcritical elliptic equations

Bartosz Bieganowski, Jacopo Schino

Via a new inequality à la Gagliardo--Nirenberg, we prove the existence and nonexistence of solutions to \begin{equation*} \begin{cases} (-Δ)^s u + \fracμ{|y|^{2s}} u + λu = f(u), \…

math.AP2026

Finite-energy solutions to Einstein-scalar field Lichnerowicz equations on complete Riemannian manifolds

Bartosz Bieganowski, Pietro d'Avenia, Jacopo Schino

We consider the singular elliptic problem of the form \[ -Δu + V(x)u = \mathcal{B}(x)|u|^{2^*-2}u + \frac{\mathcal{A}(x)}{|u|^{2^*}u}, \qquad u\in H^1(M), \] where the coefficients…

math.AP2025

A Lichnerowicz equation in the Einstein-scalar field theory on non-CMC closed manifolds

Bartosz Bieganowski, Pietro d'Avenia, Jacopo Schino +1

In the paper, we prove the existence of a positive and essentially bounded solution to a Lichnerowicz equation in the Einstein-scalar field theory on a closed manifold with non-con…

math.AP2025

A Pohožaev minimization for normalized solutions: fractional sublinear equations of logarithmic type

Marco Gallo, Jacopo Schino

In this paper, we search for normalized solutions to a fractional, nonlinear, and possibly strongly sublinear Schrödinger equation $$(-Δ)^s u + μu = g(u) \quad \hbox{in $\mathbb{R}…

math.AP2024★ 1 cited

Normalized solutions to polyharmonic equations with Hardy-type potentials and exponential critical nonlinearities

Bartosz Bieganowski, Olímpio Hiroshi Miyagaki, Jacopo Schino

Via a constrained minimization, we find a solution to the problem \begin{equation*} \begin{cases} (-Δ)^m u+\fracμ{|x|^{2m}}u + λu = ηu^3 + g(u)\\ \int_{\mathbb{R}^{2m}} u^2…

math.CA2024

Some one-dimensional elliptic problems with constraints

Jacopo Schino, Panayotis Smyrnelis

Given and , we find solutions to the problem \begin{equation*} \begin{cases} \bigl(-\frac{\mathrm{d}^2}{\mathrm{d} x^2}\bigr)^m u +…

math.AP2024

Piecewise regular solutions to scalar balance laws with singular nonlocal sources

Lorena Bociu, Evangelia Ftaka, Khai T. Nguyen +1

The present paper establishes a local well-posed result for piecewise regular solutions with single shock of scalar balance laws with singular integral of convolution type kernels.…

math.AP2024

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…

math.AP2024★ 2 cited

Existence and dynamics of normalized solutions to Schrödinger equations with generic double-behaviour nonlinearities

Bartosz Bieganowski, Pietro d'Avenia, Jacopo Schino

We study the existence of solutions to \[ -Δu + λu = f(u) \quad \text{in } \mathbb{R}^N \] with…

math.AP2023★ 8 cited

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…

math.AP2022

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 \…

math.AP2022

Ground state, bound state, and normalized solutions to semilinear Maxwell and Schrödinger equations

Jacopo Schino

The existence of ground states and (multiple) bound states to semilinear time-independent Maxwell and Schrödinger equations, with or without -constraints, is investigated.

math.AP2022★ 8 cited

Radial and non-radial multiple solutions to a general mixed dispersion NLS equation

Pietro d'Avenia, Alessio Pomponio, Jacopo Schino

We study the following nonlinear Schrödinger equation with a forth order dispersion term \[ Δ^2u-βΔu=g(u) \quad \text{in } \mathbb{R}^N \] in the positive and zero mass regimes: in…

math.AP2021★ 1 cited

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\…

math.AP2021

Normalized ground states to a cooperative system of Schrödinger equations with generic -subcritical or -critical nonlinearity

Jacopo Schino

We look for ground state solutions to the Schrödinger-type system \[ \begin{cases} -Δu_j + λ_j u_j = \partial_jF(u)\\ \int_{\rn} u_j^2 \, dx = a_j^2\\ (λ_j,u_j) \in \mathbb{R} \tim…

math.AP2021★ 1 cited

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} \ \…

math.AP2020★ 7 cited

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,…

math.AP2019★ 22 cited

Multiple solutions to a nonlinear curl-curl problem in

Jarosław Mederski, Jacopo Schino, Andrzej Szulkin

We look for ground states and bound states to the curl-curl problem which ori…