Search Results - "Boccardo, Lucio"
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The impact of the zero order term in the study of Dirichlet problems with convection or drift terms
Published in Revista matemática complutense (01-05-2023)“…In this paper we study the impact of the zero order term in the study of Dirichlet problems with convection or drift terms…”
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2
A "nonlinear duality" approach to $ W_0^{1, 1} $ solutions in elliptic systems related to the Keller-Segel model
Published in Mathematics in engineering (01-05-2023)“…In this paper, we prove existence of distributional solutions of a nonlinear elliptic system, related to the Keller-Segel model. Our starting point is the…”
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3
Weak maximum principle for Dirichlet problems with convection or drift terms
Published in Mathematics in engineering (01-01-2021)“…In this paper, dedicated to Italo Capuzzo Dolcetta, a maximum principle for some linear boundary value problems with lower order terms of order one is proved:…”
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4
A nonlinear elliptic system with a transport term and singular data
Published in Zeitschrift für angewandte Mathematik und Physik (01-10-2023)“…In this article, we study a nonlinear system of elliptic partial differential equations describing the interaction of two species, “ u ” and “ ψ ” in a bounded…”
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5
Lower order terms in divergence form versus lower order terms with natural growth in some Dirichlet problems
Published in Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A, Matemáticas (01-07-2022)“…We study the existence of solutions for some nonlinear elliptic boundary value problems, whose general form is: - div ( M ( x ) ∇ u ) + g ( u ) | ∇ u | 2 = -…”
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6
A Singular System of Schrödinger-Maxwell Equations
Published in Mediterranean journal of mathematics (01-05-2024)“…We study existence of solutions for the singular system of Schrödinger-Maxwell equations u ∈ W 0 1 , 2 ( Ω ) : - div ( A ( x ) ∇ u ) + ψ θ u r - 1 = f ( x ) ,…”
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7
Asymptotic behavior of solutions for nonlinear parabolic problems with Marcinkiewicz data
Published in Journal of evolution equations (01-12-2023)“…In this paper we prove the asymptotic behavior, as t tends to zero, of solutions of nonlinear parabolic equations with initial data belonging to Marcinkiewicz…”
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8
Regularizing effect in some Mingione’s double phase problems with very singular data
Published in Mathematics in engineering (01-09-2023)“…In this paper we study the existence of solutions of the Dirichlet problem associated to the following nonlinear PDE <disp-formula> <tex-math id="FE1">…”
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9
Regularizing effect of the interplay between coefficients in some nonlinear Dirichlet problems with distributional data
Published in Annali di matematica pura ed applicata (01-10-2020)“…We prove that the solution u of Dirichlet problem ( 1.1 ) has exponential summability under the only assumption that there exists R > 0 such that | F ( x ) | 2…”
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10
A nonlinear homotopy between two linear Dirichlet problems
Published in Revista matemática complutense (01-05-2021)“…In this paper we focus on the following problem with nonlinear convection term - div ( M ( x ) ∇ u ) = - div ( u | u | θ - 1 E ( x ) ) + f ( x ) in Ω , u ( x )…”
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11
Regularizing Effect of Two Hypotheses on the Interplay Between Coefficients in Some Hamilton–Jacobi Equations
Published in Advanced nonlinear studies (01-05-2021)“…We study of the regularizing effect of the interaction between the coefficient of the zero-order term and the lower-order term in quasilinear Dirichlet…”
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12
Nonlinear weighted elliptic equations with Sobolev weights
Published in Bollettino della Unione matematica italiana (2008) (01-12-2022)“…In this paper we are going to prove existence of solutions in W 0 1 , p ( Ω ) for the weighted elliptic equation - div ( s ( x ) | ∇ u | p - 2 ∇ u ) = f ( x )…”
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13
Strong Maximum Principle for Some Quasilinear Dirichlet Problems Having Natural Growth Terms
Published in Advanced nonlinear studies (01-05-2020)“…In this paper, dedicated to Laurent Veron, we prove that the Strong Maximum Principle holds for solutions of some quasilinear elliptic equations having lower…”
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14
Regularity results and asymptotic behavior for a noncoercive parabolic problem
Published in Journal of evolution equations (2021)“…In this paper we study the regularity and the behavior in time of the solutions to a quasilinear class of noncoercive problems whose prototype is u t - div ( a…”
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15
Existence Results for a System of Kirchhoff–Schrödinger–Maxwell Equations
Published in Mediterranean journal of mathematics (01-06-2020)“…In this paper, we study existence, nonexistence, and properties of solutions for some Kirchhoff–Schrödinger–Maxwell systems as ( 1.3 ). The solutions can be…”
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16
Failure of the Hopf-Oleinik lemma for a linear elliptic problem with singular convection of non-negative divergence
Published in Electronic journal of differential equations (31-01-2024)“…In this article we study the existence, uniqueness, and integrability of solutions to the Dirichlet problem \(-\hbox{div}( M(x) \nabla u ) = -\hbox{div} (E(x)…”
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17
Marcinkiewicz estimates for solutions of some elliptic problems with nonregular data
Published in Annali di matematica pura ed applicata (01-09-2009)“…The method introduced by Ennio De Giorgi and Guido Stampacchia for the study of the regularity ( L p , Marcinkiewicz or C 0, α ) of the weak solutions of…”
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18
Hardy potential versus lower order terms in Dirichlet problems: regularizing effects
Published in Mathematics in engineering (01-01-2023)“…In this paper, dedicated to Ireneo Peral, we study the regularizing effect of some lower order terms in Dirichlet problems despite the presence of Hardy…”
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19
Ekeland sequences compact in L
Published in Rendiconti di matematica e delle sue applicazioni (1981) (01-01-2016)“…In this paper we use Ekeland's ε-variational principle and we prove that, for some integral functionals, there exists a minimizing sequence compact in L∞…”
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20
Existence via regularity of solutions for elliptic systems and saddle points of functionals of the calculus of variations
Published in Advances in nonlinear analysis (01-05-2017)“…The core of this paper concerns the existence (via regularity) of weak solutions in W01,2${W_{0}^{1,2}}$ of a class of elliptic systems such as…”
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