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We study a shape optimization problem associated with the first eigenvalue of a nonlinear spectral problem involving a mixed operator ($p-$Laplacian and Laplacian) with a constraint on the volume. First, we prove the existence of a…

Analysis of PDEs · Mathematics 2023-06-27 Rocard Michel Gouton , Aboubacar Marcos , Diaraf Seck

We consider the problem of maximizing the first eigenvalue of the $p$-laplacian (possibly with non-constant coefficients) over a fixed domain $\Omega$, with Dirichlet conditions along $\partial\Omega$ and along a supplementary set $\Sigma$,…

Analysis of PDEs · Mathematics 2018-03-30 Paolo Tilli , Davide Zucco

We study a shape optimization problem for the first eigenvalue of an elliptic operator in divergence form, with non constant coefficients, over a fixed domain $\Omega$. Dirichlet conditions are imposed along $\partial \Omega$ and, in…

Optimization and Control · Mathematics 2015-06-30 Paolo Tilli , Davide Zucco

We consider a shape optimization problem for the persistence threshold of a biological species dispersing in a periodically fragmented environment, the unknown shape corresponding to the portion of the habitat which is favorable to the…

Analysis of PDEs · Mathematics 2025-10-13 Gianmaria Verzini

We consider the following eigenvalue optimization in the composite membrane problem with fractional Laplacian: given a bounded domain $\Omega\subset \mathbb{R}^n$, $\alpha>0$ and $0<A<|\Omega|$, find a subset $D\subset \Omega$ of area $A$…

Analysis of PDEs · Mathematics 2020-09-23 María del Mar González , Ki-Ahm Lee , Taehun Lee

We consider a shape optimization problem related to the persistence threshold for a biological species, the unknown shape corresponding to the zone of the habitat which is favorable to the population. Analytically, this translates in the…

Analysis of PDEs · Mathematics 2023-04-18 Lorenzo Ferreri , Gianmaria Verzini

In this paper, we consider the optimization problem for the first Dirichlet eigenvalue $\lambda_1(\Omega)$ of the $p$-Laplacian $\Delta_p$, $1< p< \infty$, over a family of doubly connected planar domains $\Omega= B \setminus \overline{P}$,…

Analysis of PDEs · Mathematics 2022-09-20 Anisa M. H. Chorwadwala , Mrityunjoy Ghosh

We prove a lower bound on the first eigenvalue of the fractional Dirichlet-Laplacian of order $s$ on planar open sets, in terms of their inradius and topology. The result is optimal, in many respects. In particular, we recover a classical…

Analysis of PDEs · Mathematics 2024-02-21 Francesca Bianchi , Lorenzo Brasco

We study the behavior of $p$-Dirichlet optimal design problem with volume constraint for $p$ large. As the limit as $p$ goes to infinity, we find a limiting free boundary problem governed by the infinity-Laplacian operator. We establish a…

Analysis of PDEs · Mathematics 2009-04-02 J. D. Rossi , E. V. Teixeira

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 uniqueness of the solution. Also, comparing the problem to…

Analysis of PDEs · Mathematics 2023-12-08 Antonio Iannizzotto , Dimitri Mugnai

We consider the well-known shape optimization problem with spectral cost: minimizing the first eigenvalue of the Dirichlet Laplacian among all subdomains $\Omega$ having prescribed volume and contained in a fixed box $D$; equivalently, we…

Analysis of PDEs · Mathematics 2025-07-28 Benedetta Noris , Giovanni Siclari , Gianmaria Verzini

In this paper, we study the shape optimization problem for the first eigenvalue of the $p$-Laplace operator with the mixed Neumann-Dirichlet boundary conditions on multiply-connected domains in hyperbolic space. Precisely, we establish that…

Analysis of PDEs · Mathematics 2024-10-10 Mrityunjoy Ghosh , Sheela Verma

In this note we obtain an asymptotic estimate for growth behavior of variational eigenvalues of the $p-$fractional eigenvalue problem on a smooth bounded domain with Dirichlet boundary condition.

Analysis of PDEs · Mathematics 2021-11-08 Ariel Salort , Eugenio Vecchi

We consider the eigenvalue problem for the {\it fractional $p-$Laplacian} in an open bounded, possibly disconnected set $\Omega \subset \mathbb{R}^n$, under homogeneous Dirichlet boundary conditions. After discussing some regularity issues…

Analysis of PDEs · Mathematics 2016-03-08 Lorenzo Brasco , Enea Parini

We discuss two optimization problems related to the fractional $p$-Laplacian. First, we prove the existence of at least one minimizer for the principal eigenvalue of the fractional $p$-Laplacian with Dirichlet conditions, with a bounded…

Analysis of PDEs · Mathematics 2024-11-18 Antonio Iannizzotto , Giovanni Porru

We consider an optimization problem related to elliptic PDEs of the form $-{\rm div}(a(x)\nabla u)=f$ with Dirichlet boundary condition on a given domain $\Omega$. The coefficient $a(x)$ has to be determined, in a suitable given class of…

Optimization and Control · Mathematics 2025-12-10 Giuseppe Buttazzo , Juan Casado-Díaz , Faustino Maestre

A computer-assisted proof is proposed for the Laplacian eigenvalue minimization problems over triangular domains under diameter constraints. The proof utilizes recently developed guaranteed computation methods for both eigenvalues and…

Numerical Analysis · Mathematics 2022-09-30 Ryoki Endo , Xuefeng Liu

We consider the problem of optimal location of a Dirichlet region in a $d$-dimensional domain $\Omega$ subjected to a given right-hand side $f$ in order to minimize some given functional of the configuration. While in the literature the…

Optimization and Control · Mathematics 2013-04-17 Giuseppe Buttazzo , Al-hassem Nayam

Let $m$ be a bounded function and $\alpha$ a nonnegative parameter. This article is concerned with the first eigenvalue $\lambda\_\alpha(m)$ of the drifted Laplacian type operator $\mathcal L\_m$ given by $\mathcal L\_m(u)=…

Analysis of PDEs · Mathematics 2021-12-01 Idriss Mazari , Grégoire Nadin , Yannick Privat

We optimize a selection of eigenvalues of the Laplace operator with Dirichlet or Neumann boundary conditions by adjusting the shape of the domain on which the eigenvalue problem is considered. Here, a phase-field function is used to…

Optimization and Control · Mathematics 2023-01-23 Harald Garcke , Paul Hüttl , Christian Kahle , Patrik Knopf , Tim Laux
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