activity
20052026
most citedVariational methods for nonpositive mixed local-nonlocal operators

22 citations · 64 across the 16 of their papers we have counts for

collaborators

24 papers

math.AP2026

Bound states of Schrödinger-Poisson system in electromagnetic fields

Pingkang Guan, Baihong Li, Dimitri Mugnai +1

This paper investigates the Schrödinger-Poisson system involving electromagnetic fields. Our approach is mainly based on the variational method. By developing the global compactnes…

math.AP2024★ 1 cited

Stabilization for degenerate equations with drift and small singular term

Genni Fragnelli, Dimitri Mugnai, Amine Sbai

We consider a degenerate/singular wave equation in one dimension, with drift and in presence of a leading operator which is not in divergence form. We impose a homogeneous Dirichle…

math.AP2024★ 1 cited

Boundary controllability for degenerate/singular hyperbolic equations in nondivergence form with drift

Genni Fragnelli, Dimitri Mugnai, Amine Sbai

We study the null controllability for a degenerate/singular wave equation with drift in non divergence form. In particular, considering a control localized on the non degenerate bo…

math.AP2023

An Ahmad-Lazer-Paul-type result for indefinite mixed local-nonlocal problems

Gianmarco Giovannardi, Dimitri Mugnai, Eugenio Vecchi

We prove the existence and multiplicity of weak solutions for a mixed local-nonlocal problem at resonance. In particular, we consider a not necessarily positive operator which appe…

math.AP2022★ 4 cited

Linear stabilization for a degenerate wave equation in non divergence form with drift

Genni Fragnelli, Dimitri Mugnai

We consider a degenerate wave equation in one dimension, with drift and in presence of a leading operator which is not in divergence form. We impose a homogeneous Dirichlet boundar…

math.AP2022★ 22 cited

Variational methods for nonpositive mixed local-nonlocal operators

Alberto Maione, Dimitri Mugnai, Eugenio Vecchi

We prove the existence of a weak solution for boundary value problems driven by a mixed local--nonlocal operator. The main novelty is that such an operator is allowed to be nonposi…

math.AP2022★ 2 cited

Optimal solvability for the fractional p-Laplacian with Dirichlet conditions

Antonio Iannizzotto, Dimitri Mugnai

We study a nonlinear, nonlocal Dirichlet problem driven by the fractional p-Laplacian, involving a (p-1)-sublinear reaction. By means of a weak comparison principle we prove unique…

math.AP2021

Boundary controllability for a degenerate wave equation in non divergence form with drift

Idriss Boutaayamou, Genni Fragnelli, Dimitri Mugnai

We consider a degenerate wave equation with drift in presence of a leading operator which is not in divergence form. We provide some conditions for the boundary controllability of…

math.AP2021★ 1 cited

A Brezis-Oswald approach for mixed local and nonlocal operators

Stefano Biagi, Dimitri Mugnai, Eugenio Vecchi

In this paper we provide necessary and sufficient conditions for the existence of a unique positive weak solution for some sublinear Dirichlet problems driven by the sum of a quasi…

math.AP2020

Linking over cones for the Neumann Fractional Laplacian

Dimitri Mugnai, Edoardo Proietti Lippi

We consider nonlinear problems governed by the fractional Laplacian in presence of nonlocal Neumann boundary conditions. We face two problems. First: the superlinear term m…

math.AP2019

Quasilinear problems without the Ambrosetti-Rabinowitz condition

Anna Maria Candela, Genni Fragnelli, Dimitri Mugnai

We show the existence of nontrivial solutions for a class of highly quasilinear problems in which the governing operators depend on the unknown function. By using a suitable variat…

math.AP2019

Neumann fractional Laplacian: eigenvalues and existence results

Dimitri Mugnai, Edoardo Proietti Lippi

We develop some properties of the Neumann derivative for the fractional Laplacian in bounded domains with general . In particular, we prove the existence of a divergin…

math.AP2016★ 19 cited

Existence and multiplicity results for the fractional Laplacian in bounded domains

Dimitri Mugnai, Dayana Pagliardini

In this paper, first we study existence results for a linearly perturbed elliptic problem driven by the fractional Laplacian. Then, we show a multiplicity result when the perturbat…

math.AP2016

The fractional Hartree equation without the Ambrosetti-Rabinowitz condition

Mauro Francesconi, Dimitri Mugnai

We consider a class of pseudo-relativistic Hartree equations in presence of general nonlinearities not satisfying the Ambrosetti-Rabinowitz condition. Using variational methods bas…

math.AP2015

On multiple solutions for nonlocal fractional problems via -theorems

Giovanni Molica Bisci, Dimitri Mugnai, Raffaella Servadei

The aim of this paper is to prove multiplicity of solutions for nonlocal fractional equations modeled by $$ \left\{ \begin{array}{ll} (-Δ)^s u-λu=f(x,u) & {\mbox{ in }} Ω\\ u=0 & {…

math.AP2015

Carleman estimates, observability inequalities and null controllability for interior degenerate non smooth parabolic equations

Genni Fragnelli, Dimitri Mugnai

We show Carleman estimates, observability inequalities and null controllability results for parabolic equations with non smooth coefficients degenerating at an interior point.

math.AP2015

Carleman estimates for singular parabolic equations with interior degeneracy and non smooth coefficients

Genni Fragnelli, Dimitri Mugnai

We establish Carleman estimates for singular/degenerate parabolic Dirichlet problems with degeneracy and singularity occurring in the interior of the spatial domain. Our results ar…

math.AP2015

A fractional eigenvalue problem in

Giacomo Bocerani, Dimitri Mugnai

We prove that a linear fractional operator with an asymptotically constant lower order term in the whole space admits eigenvalues.

math.AP2014★ 6 cited

Three solutions for a Neumann partial differential inclusion via nonsmooth Morse theory

Francesca Colasuonno, Antonio Iannizzotto, Dimitri Mugnai

We study a partial differential inclusion, driven by the p-Laplacian operator, involving a p-superlinear nonsmooth potential, and subject to Neumann boundary conditions. By means o…

math.AP2013

Non-trivial, non-negative periodic solutions of a system of singular-degenerate parabolic equations with nonlocal terms

Genni Fragnelli, Dimitri Mugnai, Paolo Nistri +1

We study the existence of non-trivial, non-negative periodic solutions for systems of singular-degenerate parabolic equations with nonlocal terms and satisfying Dirichlet boundary…

math.AP2012

Carleman estimates and observability inequalities for parabolic equations with interior degeneracy

Genni Fragnelli, Dimitri Mugnai

We consider a parabolic problem with degeneracy in the interior of the spatial domain, and we focus on controllability results through Carleman estimates for the associated adjoint…

math.AP2012

The pseudorelativistic Hartree equation with a general nonlinearity: existence, non existence and variational identities

Dimitri Mugnai

We prove several existence and non existence results of solitary waves for a class of nonlinear pseudo-relativistic Hartree equations with general nonlinearities. We use variationa…

math.AP2012★ 8 cited

Spinning Q-balls in Abelian Gauge Theories with positive potentials: existence and non existence

Dimitri Mugnai, Matteo Rinaldi

We study the existence of cylindrically symmetric electro-magneto-static solitary waves for a system of a nonlinear Klein-Gordon equation coupled with Maxwell's equations in presen…

math.AP2005

On the exact number of bifurcation branches from a multiple eigenvalue

Dimitri Mugnai, Angela Pistoia

We study local bifurcation from an eigenvalue with multiplicity greater than one for a class of semilinear elliptic equations. We evaluate the exact number of bifurcation branches…