activity
20112026
most citedOn existence and phase separation of solitary waves for nonlinear Schrödinger systems modelling simultaneous cooperation and competition

73 citations · 413 across the 37 of their papers we have counts for

collaborators

47 papers

math.AP2026

Normalized solutions to the NLS equation in the ball for any prescribed mass

Nicola Soave

Given , we consider the problem \[ \text{find such that } \begin{cases} -Δu+λu = |u|^{p-1}u & \text{in } B \\ \int_B u^2\,dx = ρ, \end{c…

math.AP2025★ 1 cited

On least energy solutions for a nonlinear Schrödinger system with -wise interaction

Lorenzo Giaretto, Nicola Soave

In this paper we establish existence and properties of minimal energy solutions for the weakly coupled system $$ \begin{cases} -Δu_i + λ_i u_i = μ_i|u_i|^{Kq-2}u_i + β|u_i|^{q-2}u_…

math.AP2024

On partially segregated harmonic maps: optimal regularity and structure of the free boundary

Nicola Soave, Susanna Terracini

We consider triplets of densities minimizing the Dirichlet energy \[\sum_{j=1}^3 \int_Ω |\nabla u_j|^2\,dx \] over a bounded domain , subject…

math.AP2024

On some singularly perturbed elliptic systems modeling partial segregation: uniform Hölder estimates and basic properties of the limits

Nicola Soave, Susanna Terracini

We prove uniform Hölder estimates in a class of singularly perturbed competition-diffusion elliptic systems, with the particular feature that the interactions between the component…

math.AP2023

Notes on Overdetermined Singular Problems

Francesco Esposito, Berardino Sciunzi, Nicola Soave

We obtain some rigidity results for overdetermined boundary value problems for singular solutions in bounded domains.

math.AP2023

A fractional Hopf Lemma for sign-changing solutions

Serena Dipierro, Nicola Soave, Enrico Valdinoci

In this paper we prove some results on the boundary behavior of solutions to fractional elliptic problems. Firstly, we establish a Hopf Lemma for solutions to some integro-differen…

math.AP2023

The Lane-Emden system on Cartan-Hadamard manifolds: asymptotics and rigidity of radial solutions

Matteo Muratori, Nicola Soave

We investigate existence and qualitative properties of globally defined and positive radial solutions of the Lane-Emden system, posed on a Cartan-Hadamard model manifold $ \mathbb{…

math.AP2022★ 30 cited

Normalized solutions of -supercritical NLS equations on noncompact metric graphs with localized nonlinearities

Jack Borthwick, Xiaojun Chang, Louis Jeanjean +1

In this paper we are concerned with the existence of normalized solutions for nonlinear Schrödinger equations on noncompact metric graphs with localized nonlinearities. In a -…

math.AP2022★ 1 cited

Bounded Palais-Smale sequences with Morse type information for some constrained functionals

Jack Borthwick, Xiaojun Chang, Louis Jeanjean +1

In this paper, we study, for functionals having a mountain pass geometry on a constraint, the existence of bounded Palais-Smale sequences carrying Morse index type information.

math.AP2022★ 2 cited

On the nodal set of solutions to some sublinear equations without homogeneity

Nicola Soave, Giorgio Tortone

We investigate the structure of the nodal set of solutions to an unstable Alt-Phillips type problem \[ -Δu = λ_+(u^+)^{p-1}-λ_-(u^-)^{q-1} \] where , , $λ_- \g…

math.AP2022

Normalized solutions of -supercritical NLS equations on compact metric graphs

Xiaojun Chang, Louis Jeanjean, Nicola Soave

This paper is devoted to the existence of non-trivial bound states of prescribed mass for the mass-supercritical nonlinear Schrödinger equation on compact metric graphs. The invest…

math.AP2021

Free boundary problems with long-range interactions: uniform Lipschitz estimates in the radius

Nicola Soave, Hugo Tavares, Alessandro Zilio

Consider the class of optimal partition problems with long range interactions \[ \inf \left\{ \sum_{i=1}^k λ_1(ω_i):\ (ω_1,\ldots, ω_k) \in \mathcal{P}_r(Ω) \right\}, \] where $λ_1…

math.AP2021★ 6 cited

Some rigidity results for Sobolev inequalities and related PDEs on Cartan-Hadamard manifolds

Matteo Muratori, Nicola Soave

The Cartan-Hadamard conjecture states that, on every -dimensional Cartan-Hadamard manifold , the isoperimetric inequality holds with Euclidean optimal constant,…

math.AP2020

Ground states for the NLS equation with combined nonlinearities on non-compact metric graphs

Dario Pierotti, Nicola Soave

We investigate the existence of ground states with prescribed mass for the NLS energy with combined -critical and subcritical nonlinearities, on a general non-compact metric g…

math.AP2020★ 1 cited

An anisotropic monotoncity formula, with applications to some segregation problems

Nicola Soave, Susanna Terracini

We prove an Alt-Caffarelli-Friedman montonicity formula for pairs of functions solving elliptic equations driven by different ellipticity matrices in their positivity sets. As appl…

math.AP2019

Saddle-shaped positive solutions for elliptic systems with bistable nonlinearity

Nicola Soave

In this paper we prove the existence of infinitely many saddle-shaped positive solutions for non-cooperative nonlinear elliptic systems with bistable nonlinearities in the phase-se…

math.AP2019

Local minimizers in absence of ground states for the critical NLS energy on metric graphs

Dario Pierotti, Nicola Soave, Gianmaria Verzini

We consider the mass-critical nonlinear Schrödinger equation on non-compact metric graphs. A quite complete description of the structure of the ground states, which correspond to g…

math.AP2019★ 7 cited

On unique continuation principles for some elliptic systems

Ederson Moreira dos Santos, Gabrielle Nornberg, Nicola Soave

In this paper we prove unique continuation principles for some systems of elliptic partial differential equations satisfying a suitable superlinearity condition. As an application,…

math.AP2019★ 11 cited

Normalized ground states for the NLS equation with combined nonlinearities: the Sobolev critical case

Nicola Soave

We study existence and properties of ground states for the nonlinear Schrödinger equation with combined power nonlinearities \[ -Δu= λu + μ|u|^{q-2} u + |u|^{2^*-2} u \qquad \text{…

math.AP2018

A fountain of positive Bubbles on a Coron's Problem for a Competitive Weakly Coupled Gradient System

Angela Pistoia, Nicola Soave, Hugo Tavares

We consider the following critical elliptic system: \begin{equation*} \begin{cases} -Δu_i=μ_i u_i^{3}+βu_i^{ } \sum\limits_{j\neq i} u_j^{2} \quad \hbox{in}\ Ω_\varepsilon \\ u_i=0…

math.AP2018★ 12 cited

Normalized ground states for the NLS equation with combined nonlinearities

Nicola Soave

We study existence and properties of ground states for the nonlinear Schrödinger equation with combined power nonlinearities \[ -Δu= λu + μ|u|^{q-2} u + |u|^{p-2} u \qquad \text{in…

math.AP2018

The nodal set of solutions to some elliptic problems: singular nonlinearities

Nicola Soave, Susanna Terracini

This paper deals with solutions to the equation \begin{equation*} -Δu = λ_+ \left(u^+\right)^{q-1} - λ_- \left(u^-\right)^{q-1} \quad \text{in } \end{equation*} where $λ_+,λ_-…

math.AP2018★ 18 cited

The nodal set of solutions to some elliptic problems: sublinear equations, and unstable two-phase membrane problem

Nicola Soave, Susanna Terracini

We are concerned with the nodal set of solutions to equations of the form \begin{equation*} -Δu = λ_+ \left(u^+\right)^{q-1} - λ_- \left(u^-\right)^{q-1} \quad \text{in } \end…

math.AP2017

The unique continuation property of sublinear equations

Nicola Soave, Tobias Weth

We derive the unique continuation property of a class of semi-linear elliptic equations with non-Lipschitz nonlinearities. The simplest type of equations to which our results apply…