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20112024
most citedExact Morse index computation for nodal radial solutions of Lane-Emden problems

25 citations · 52 across the 10 of their papers we have counts for

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math.AP2024

Sharp boundary concentration for a two-dimensional nonlinear Neumann problem

Francesca De Marchis, Habib Fourti, Isabella Ianni

We consider the elliptic equation in a bounded, smooth domain subject to the nonlinear Neumann boundary condition $\partial u/\partialν= |u|^{p-1…

math.AP2021

Morse index computation for radial solutions of the {Hé}non problem in the disk

Annalisa Amadori, Francesca De Marchis, Isabella Ianni

We compute the Morse index of any radial solution of the semilinear problem: \begin{equation} \label{problemaAbstract}\tag{P} \left\{ \begin{array}{lr}…

math.AP2020

Critical points of the Moser-Trudinger functional on closed surfaces

Francesca De Marchis, Andrea Malchiodi, Luca Martinazzi +1

Given a closed Riemann surface and any positive smooth weight, we use a minmax scheme together with compactness, quantization results and with sharp energy estimates to pro…

math.AP2017★ 1 cited

Prescribed Gauss curvature problem on singular surfaces

Teresa D'Aprile, Francesca De Marchis, Isabella Ianni

We study the existence of at least one conformal metric of prescribed Gaussian curvature on a closed surface admitting conical singularities of orders 's at points 's…

math.AP2016

Compactness, existence and multiplicity for the singular mean field problem with sign-changing potentials

Francesca De Marchis, Rafael López-Soriano, David Ruiz

In this paper we consider a mean field problem on a compact surface with conical singularities. This problem appears in the Gaussian curvature prescription problem in Geometry, and…

math.AP2016

Existence of stationary turbulent flows with variable positive vortex intensity

Francesca De Marchis, Tonia Ricciardi

We prove the existence of stationary turbulent flows with arbitrary positive vortex circulation on non simply connected domains. Our construction yields solutions for all real valu…

math.AP2016

Asymptotic profile of positive solutions of Lane-Emden problems in dimension two

Francesca De Marchis, Isabella Ianni, Filomena Pacella

We consider families of solutions to the problem \begin{equation}\label{problemAbstract} \left\{\begin{array}{lr}-Δu= u^p & \mbox{ in }Ω\\ u>0 & \mbox{ in }Ω\\ u=0 & \mbox{ o…

math.AP2016

A Morse index formula for radial solutions of Lane-Emden problems

Francesca De Marchis, Isabella Ianni, Filomena Pacella

We consider the semilinear Lane-Emden problem: \begin{equation}\label{problemAbstract}\left\{\begin{array}{lr}-Δu= |u|^{p-1}u\qquad \mbox{ in }B u=0\qquad\qquad\qquad\mbox{ on }\pa…

math.AP2015

Existence and non existence results for the singular Nirenberg problem

Francesca de Marchis, Rafael López-Soriano

In this paper we study the problem, posed by Troyanov, of prescribing the Gaussian curvature under a conformal change of the metric on surfaces with conical singularities. Such geo…

math.AP2015★ 25 cited

Exact Morse index computation for nodal radial solutions of Lane-Emden problems

Francesca De Marchis, Isabella Ianni, Filomena Pacella

We consider the semilinear Lane-Emden problem \begin{equation}\label{problemAbstract} \left\{\begin{array}{lr}-Δu= |u|^{p-1}u\qquad \mbox{ in }B u=0\qquad\qquad\qquad\mbox{ on }\pa…

math.AP2014★ 5 cited

Morse index and sign changing bubble towers for Lane-Emden problems

Francesca De Marchis, Isabella Ianni, Filomena Pacella

We consider the semilinear Lane-Emden problem \begin{equation}\label{problemAbstract}\left\{ \begin{array}{lr} -Δu= |u|^{p-1}u\qquad \mbox{ in }Ω\\ u=0\qquad\qquad\qquad\mbox{ on }…

math.AP2014

Blow up of solutions of semilinear heat equations in non radial domains of

Francesca De Marchis, Isabella Ianni

We consider the semilinear heat equation \begin{equation}\label{problemAbstract}\left\{\begin{array}{ll}v_t-Δv= |v|^{p-1}v & \mbox{in}Ω\times (0,T)\\ v=0 & \mbox{on}\partial Ω\time…

math.AP2013

Asymptotic analysis and sign changing bubble towers for Lane-Emden problems

Francesca De Marchis, Isabella Ianni, Filomena Pacella

We consider the semilinear Lane-Emden problem in a smooth bounded domain of the plane. The aim of the paper is to analyze the asymptotic behavior of sign changing solutions as the…

math.AP2013★ 19 cited

Supercritical Mean Field Equations on convex domains and the Onsager's statistical description of two-dimensional turbulence

Daniele Bartolucci, Francesca De Marchis

We are motivated by the study of the Microcanonical Variational Principle within the Onsager's description of two-dimensional turbulence in the range of energies where the equivale…

math.AP2012★ 2 cited

Sign changing solutions of Lane Emden problems with interior nodal line and semilinear heat equations

Francesca De Marchis, Isabella Ianni, Filomena Pacella

We consider the semilinear Lane Emden problem in a smooth bounded simply connected domain in the plane, invariant by the action of a finite symmetry group G. We show that if the or…