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This paper studies the polynomial optimization problem whose feasible set is a union of several basic closed semialgebraic sets. We propose a unified hierarchy of Moment-SOS relaxations to solve it globally. Under some assumptions, we prove…

Optimization and Control · Mathematics 2024-05-21 Jiawang Nie , Linghao Zhang

We show existence of solutions to the least gradient problem on the plane for boundary data in $BV(\partial\Omega)$. We also provide an example of a function $f \in L^1(\partial\Omega) \backslash (C(\partial\Omega) \cup…

Analysis of PDEs · Mathematics 2017-09-29 Wojciech Górny

In this paper we prove a classification result for axially symmetric one phase minimizers of the Alt-Phillips free boundary problem in dimensions 3, 4, and 5. To accomplish this, we establish a stability inequality that extends the one for…

Analysis of PDEs · Mathematics 2025-02-20 Aram Karakhanyan , Tomás Sanz-Perela

The shape of a drop pinned in a local equilibrium on an incline is a long-standing problem. The substrate can be homogeneous or heterogeneous and we herewith consider a drop pinned on an incline at the junction between a hydrophilic…

Soft Condensed Matter · Physics 2017-11-01 Joel De Coninck , Juan Carlos Fernandez Toledano , François Dunlop , Thierry Huillet

We consider Newton's problem of minimal resistance, in particular we address the problem arising in the limit if the height goes to infinity. We establish existence of solutions and lack radial symmetry of solutions. Moreover, we show that…

Optimization and Control · Mathematics 2021-05-12 Lev Lokutsievskiy , Gerd Wachsmuth , Mikhail Zelikin

We obtain existence of minimizers for the $p$-capacity functional defined with respect to a centrally symmetric anisotropy for $1 < p<\infty$, including the case of a crystalline norm in $\mathbb R^N$. The result is obtained by a…

Analysis of PDEs · Mathematics 2023-05-08 Esther Cabezas-Rivas , Salvador Moll , Marcos Solera

We extend to the anisotropic setting the existence of solutions for the Kirchhoff-Plateau problem and its dimensional reduction.

Analysis of PDEs · Mathematics 2019-07-02 Antonio De Rosa , Luca Lussardi

We prove some regularity results for a connected set S in the planar domain O, which minimizes the compliance of its complement O\S, plus its length. This problem, interpreted as to find the best location for attaching a membrane subject to…

Optimization and Control · Mathematics 2016-04-18 Antonin Chambolle , Jimmy Lamboley , Antoine Lemenant , Eugene Stepanov

The study of the regularity of the minimizer of the weighted anisotropic total variation with a general fidelity term is at the heart of this paper. We generalized some recent results on the inclusion of the discontinuities of the minimizer…

Optimization and Control · Mathematics 2014-02-04 Khalid Jalalzai

We generalize various symplectic reduction techniques to the context of the optimal momentum map. Our approach allows the construction of symplectic point and orbit reduced spaces purely within the Poisson category under hypotheses that do…

Symplectic Geometry · Mathematics 2007-05-23 Juan-Pablo Ortega

We present first a brief review of the existing literature on shape optimization, stressing the recent use of Hamiltonian systems in topology optimization. In the second section, we collect some preliminaries on the implicit parametrization…

Optimization and Control · Mathematics 2022-11-23 Cornel Marius Murea , Dan Tiba

The notion of strictly outward minimising hull is investigated for open sets of finite perimeter sitting inside a complete noncompact Riemannian manifold. Under natural geometric assumptions on the ambient manifold, the strictly outward…

Differential Geometry · Mathematics 2021-03-05 Mattia Fogagnolo , Lorenzo Mazzieri

Detecting hidden convexity is one of the tools to address nonconvex minimization problems. After giving a formal definition of hidden convexity, we introduce the notion of conditional infimum, as it will prove instrumental in detecting…

Optimization and Control · Mathematics 2021-04-13 Jean-Philippe Chancelier , Michel de Lara

We study homogeneous solutions to the Alt-Phillips problem when the exponent $\gamma$ is close to 1. In dimension $d\ge3$, we show that the radial cone is minimizing when $\gamma$ is close to 1. In dimension $d \ge 4$, we construct an…

Analysis of PDEs · Mathematics 2025-02-26 Ovidiu Savin , Hui Yu

We study a natural biharmonic analogue of the classical Alt-Caffarelli problem, both under Dirichlet and under Navier boundary conditions. We show existence, basic properties and $C^{1,\alpha}$-regularity of minimisers. For the Navier…

Analysis of PDEs · Mathematics 2024-04-16 Hans-Christoph Grunau , Marius Müller

This paper focuses on establishing the existence of a class of steady solutions, termed least total curvature solutions, to the incompressible Euler system in a strip. The solutions obtained in this paper complement the least total…

Analysis of PDEs · Mathematics 2025-07-17 Changfeng Gui , David Ruiz , Chunjing Xie , Huan Xu

These notes record the lectures for the CIME Summer Course taught by the first author in Cetraro during the week of June 19-23, 2017. The notes contain the proofs of several results on the classification of stable solutions to some…

Analysis of PDEs · Mathematics 2018-07-12 Xavier Cabre , Giorgio Poggesi

We consider a shape optimization problem for a hybrid energy combining local confinement and nonlocal Coulomb repulsion. Specifically, for any open set $\Omega \subseteq \mathbb{R}^3$ of prescribed volume, we consider the ground state…

Analysis of PDEs · Mathematics 2026-04-16 Dario Mazzoleni , Riccardo Moraschi , Berardo Ruffini

In this note we consider the optimal design problem for estimating the slope of a polynomial regression with no intercept at a given point, say z. In contrast to previous work, which considers symmetric design spaces we investigate the…

Statistics Theory · Mathematics 2020-09-21 Holger Dette , Viatcheslav B. Melas , Petr Shpilev

In this paper we provide a Bonnesen-style inequality which gives a lower bound for the isoperimetric deficit corresponding to a closed convex curve in terms of some geometrical invariants of this curve. Moreover we give a geometrical…

Differential Geometry · Mathematics 2019-05-14 Julià Cufí , Agustí Reventós
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