Search Results - "PRATELLI, Aldo"
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The Sharp Quantitative Isoperimetric Inequality
Published in Annals of mathematics (01-11-2008)“…A quantitative sharp form of the classical isoperimetric inequality is proved, thus giving a positive answer to a conjecture by Hall…”
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The ε - εβ Property in the Isoperimetric Problem with Double Density, and the Regularity of Isoperimetric Sets
Published in Advanced nonlinear studies (01-08-2020)“…We prove the validity of the ε-εβ{\varepsilon-\varepsilon^{\beta}} property in the isoperimetric problem with double density, generalising the known properties…”
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3
Quantitative stability in the isodiametric inequality via the isoperimetric inequality
Published in Transactions of the American Mathematical Society (01-03-2014)“…The isodiametric inequality is derived from the isoperimetric inequality through a variational principle, establishing that balls maximize the perimeter among…”
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A note on Cheeger sets
Published in Proceedings of the American Mathematical Society (01-06-2009)“…Starting from the quantitative isoperimetric inequality, we prove a sharp quantitative version of the Cheeger inequality…”
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Equivalence between some definitions for the optimal mass transport problem and for the transport density on manifolds
Published in Annali di matematica pura ed applicata (01-06-2005)“…In this paper we consider three problems, which are related to the classical Monge’s optimal mass transport problem and which are known to be equivalent when…”
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On the bi-Sobolev planar homeomorphisms and their approximation
Published in Nonlinear analysis (01-05-2017)“…The first goal of this paper is to give a short description of the planar bi-Sobolev homeomorphisms, providing simple and self-contained proofs for some…”
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On the isoperimetric problem with double density
Published in Nonlinear analysis (01-12-2018)“…In this paper we consider the isoperimetric problem with double density in Euclidean space; that is, we study the minimisation of the perimeter among subsets…”
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Cylindrical estimates for the Cheeger constant and applications
Published in Journal de mathématiques pures et appliquées (01-11-2024)Get full text
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Existence of minimizers for spectral problems
Published in Journal de mathématiques pures et appliquées (01-09-2013)“…In this paper we show that any increasing functional of the first k eigenvalues of the Dirichlet Laplacian admits a (quasi-)open minimizer among the subsets of…”
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On the Cheeger sets in strips and non-convex domains
Published in Calculus of variations and partial differential equations (01-02-2016)“…In this paper we consider the Cheeger problem for non-convex domains, with a particular interest in the case of planar strips, which have been extensively…”
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Existence of isoperimetric regions in with density
Published in Annals of global analysis and geometry (01-04-2013)“…We prove the existence of isoperimetric regions in with density under various hypotheses on the growth of the density. Along the way, we prove results on the…”
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12
Sharp Stability of Some Spectral Inequalities
Published in Geometric and functional analysis (01-02-2012)“…In this work we review two classical isoperimetric inequalities involving eigenvalues of the Laplacian, both with Dirichlet and Neumann boundary conditions…”
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Lipschitz Regularity of the Eigenfunctions on Optimal Domains
Published in Archive for rational mechanics and analysis (01-04-2015)“…We study the optimal sets Ω * ⊆ R d for spectral functionals of the form F ( λ 1 ( Ω ) , … , λ p ( Ω ) ) , which are bi-Lipschitz with respect to each of the…”
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14
Approximation of Piecewise Affine Homeomorphisms by Diffeomorphisms
Published in The Journal of geometric analysis (01-07-2014)“…We prove that any countably piecewise affine homeomorphism from an open set of ℝ 2 can be approximated, together with its inverse, by diffeomorphisms in the W…”
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15
Existence of Isoperimetric Sets with Densities “Converging from Below” on R N
Published in The Journal of geometric analysis (01-04-2017)“…In this paper, we consider the isoperimetric problem in the space R N with a density. Our result states that, if the density f is lower semi-continuous and…”
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Shapes of Epitaxially Grown Quantum Dots
Published in Archive for rational mechanics and analysis (01-11-2014)“…A variational model introduced by Spencer and Tersoff (Appl. Phys. Lett. 96:073114, 2010 ) to describe optimal faceted shapes of epitaxially deposited films is…”
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KANTOROVICH POTENTIALS AND CONTINUITY OF TOTAL COST FOR RELATIVISTIC COST FUNCTIONS
Published in Journal de mathématiques pures et appliquées (2017)“…In this paper we consider the optimal mass transport problem for relativistic cost functions, introduced in [12] as a generalization of the relativistic heat…”
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18
THE CHEEGER CONSTANT OF CURVED STRIPS
Published in Pacific journal of mathematics (31-12-2011)Get full text
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Existence of Isoperimetric Sets with Densities “Converging from Below” on $${\mathbb {R}}^N$$ R N
Published in The Journal of geometric analysis (01-04-2017)Get full text
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Existence of Isoperimetric Sets with Densities “Converging from Below” on RN
Published in The Journal of geometric analysis (2017)“…In this paper, we consider the isoperimetric problem in the space R N with a density. Our result states that, if the density f is lower semi-continuous and…”
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