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Mostrando ítems 21-33 de 33

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    • Imagen en miniatura

      Gamma convergence of an energy functional related to the fractional LaplacianRestricted access - publisher's policy 

      González Nogueras, María del Mar (2009)
      Artículo
      Acceso restringido por política de la editorial
      We prove a Γ -convergence result for an energy functional related to some fractional powers of the Laplacian operator, (−Δ)s for 1/2 < s < 1, with two singular perturbations, that leads to a two-phase problem. The case ...
    • Imagen en miniatura

      Instability and bifurcation in a trend depending price formation modelOpen Access 

      González Nogueras, María del Mar; Gualdani, Maria Pia; Solà-Morales Rubió, Joan de (2016-08)
      Artículo
      Acceso abierto
      A well-known model due to J.-M. Lasry and P.L. Lions that presents the evolution of prices in a market as the evolution of a free boundary in a diffusion equation is modified in order to show instabilities for some values ...
    • Imagen en miniatura

      Layer solutions for the fractional Laplacian on hyperbolic spaceOpen Access 

      González Nogueras, María del Mar (2013)
      Texto en actas de congreso
      Acceso abierto
      The workshop dealt with partial differential equations in ge om- etry and technical applications. The main topics were the co mbination of nonlinear partial differential equations and geometric pro blems, and fourth order ...
    • Imagen en miniatura

      Layer solutions for the fractional Laplacian on hyperbolic space: existence, uniqueness and qualitative propertiesOpen Access 

      González Nogueras, María del Mar; Saéz, Mariel; Sire, Yannick (2012-12)
      Report de investigación
      Acceso abierto
      where (¿ Hn) corresponds to the fractional Laplacian on hyperbolic space for 2 (0; 1) and f is a smooth nonlinearity that typically comes from a double well potential. We prove the existence of heteroclinic connections ...
    • Imagen en miniatura

      Layer solutions for the fractional Laplacian on hyperbolic space: existence, uniqueness and qualitative propertiesRestricted access - publisher's policy 

      González Nogueras, María del Mar; Saéz, Mariel; Sire, Yannick (2014-12-01)
      Artículo
      Acceso restringido por política de la editorial
      We investigate the equation; (-Delta(Hn))(gamma) w = f(w) in H-n,; where (-Delta(Hn))(gamma) corresponds to the fractional Laplacian on hyperbolic space for gamma is an element of(0, 1) and f is a smooth nonlinearity that ...
    • Imagen en miniatura

      Renormalized weighted volume for the conformal fractional LaplacianOpen Access 

      González Nogueras, María del Mar (2011-07)
      Report de investigación
      Acceso abierto
      We give a notion of renormalized weighted volume in the setting of conformal geometry following the ideas of Fefferman-Graham. Indeed, it is a precise term in the asymptotic expansion near the boundary for a weighted ...
    • Imagen en miniatura

      Singularities for a fully non-linear elliptic equation in conformal geometryOpen Access 

      González Nogueras, María del Mar; Mazzieri, Lorenzo (2014)
      Artículo
      Acceso abierto
    • Imagen en miniatura

      Singularities for a fully non-linear elliptic equation in conformal geometryOpen Access 

      González Nogueras, María del Mar; Mazzieri, Lorenzo (2013-08)
      Report de investigación
      Acceso abierto
      We construct some radially symmetric solutions of the constant k -equation on R n n R p , which blow up exactly at the submanifold R p R n . These are the basic models to the problem of nding complete metrics ...
    • Imagen en miniatura

      Slow motion of particle systems as a limit of a reaction-diffusion equation with fractional LaplacianOpen Access 

      González Nogueras, María del Mar; Monneau, R. (2010-07)
      Report de investigación
      Acceso abierto
      We consider a reaction-diffusion equation with a half-Laplacian. In the case where the solution is independent on time, the model reduces to the Peierls-Nabarro model describing dislocations as transition layers in a ...
    • Imagen en miniatura

      Some constructions for the fractional Laplacian on noncompact manifoldsOpen Access 

      Banica, Valeria; González Nogueras, María del Mar; Sáez, Mariel (2012-12)
      Report de investigación
      Acceso abierto
      We give a de nition of the fractional Laplacian on some noncompact manifolds, through an extension problem introduced by Ca arelli-Silvestre. While this de nition in the compact case is straightforward, in the noncompact ...
    • Imagen en miniatura

      Some constructions for the fractional Laplacian on noncompact manifoldsOpen Access 

      Banica, Valeria; González Nogueras, María del Mar; Saéz, Mariel (2015-01-01)
      Artículo
      Acceso abierto
      We give a definition of the fractional Laplacian on some noncompact manifolds, through an extension problem introduced by Caffarelli-Silvestre. While this definition in the compact case is straightforward, in the noncompact ...
    • Imagen en miniatura

      Some non-standard Sobolev spaces, interpolation and its application to PDEOpen Access 

      González Nogueras, María del Mar; Gualdani, Maria (2009-06)
      Report de investigación
      Acceso abierto
      We consider some nonstandard Sobolev spaces in one dimension, in which functions have different regularity in different subsets. Those spaces are useful in the study of some nonlinear elliptic and parabolic equations where ...
    • Imagen en miniatura

      Some non-standard sobolev spaces, interpolation and its application to PDERestricted access - publisher's policy 

      González Nogueras, María del Mar; Gualdani, Maria (2012-10)
      Artículo
      Acceso restringido por política de la editorial
      We consider some nonstandard Sobolev spaces in one dimension, in which functions have different regularity in different subsets. These spaces are useful in the study of some nonlinear parabolic equations where the ...

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