Sharp Boundary Estimates and Harnack Inequalities for Fractional Porous Medium Type Equations

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Sharp Boundary Estimates and Harnack Inequalities for Fractional Porous Medium Type Equations

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  • 10.1186/s13661-023-01794-3
On the global existence and analyticity of the mild solution for the fractional Porous medium equation
  • Nov 14, 2023
  • Boundary Value Problems
  • Muhammad Zainul Abidin + 1 more

In this research article we focus on the study of existence of global solution for a three-dimensional fractional Porous medium equation. The main objectives of studying the fractional porous medium equation in the corresponding critical function spaces are to show the existence of unique global mild solution under the condition of small initial data. Applying Fourier transform methods gives an equivalent integral equation of the model equation. The linear and nonlinear terms are then estimated in the corresponding Lei and Lin spaces. Further, the analyticity of solution to the fractional Porous medium equation is also obtained.

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The fractional porous medium equation on the hyperbolic space
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We consider a nonlinear degenerate parabolic equation of porous medium type, whose diffusion is driven by the (spectral) fractional Laplacian on the hyperbolic space. We provide existence results for solutions, in an appropriate weak sense, for data belonging either to the usual $$L^p$$ spaces or to larger (weighted) spaces determined either in terms of a ground state of $$\Delta _{\mathbb {H}^{N}}$$ , or of the (fractional) Green’s function. For such solutions, we also prove different kind of smoothing effects, in the form of quantitative $$L^1-L^\infty $$ estimates. To the best of our knowledge, this seems the first time in which the fractional porous medium equation has been treated on non-compact, geometrically non-trivial examples.

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Minimizing movement for a fractional porous medium equation in a periodic setting
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The fractional porous medium equation on manifolds with conical singularities I
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This is the first of a series of two papers which studies the fractional porous medium equation on a Riemannian manifold with isolated conical singularities. In this article, we show R-sectoriality for the fractional powers of possibly non-invertible R-sectorial operators. Applications concern existence, uniqueness and maximal \(L^{q}\)-regularity results for solutions of the fractional porous medium equation on manifolds with conical singularities. Space asymptotic behavior of the solutions close to the singularities is provided, and its relation to the local geometry is established. Our method extends the freezing-of-coefficients method to the case of non-local operators that are expressed as linear combinations of terms in the form of a product of a function and a fractional power of a local operator.

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A fractional porous medium equation
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A fractional porous medium equation

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  • Cite Count Icon 155
  • 10.1137/0119027
Regularity Properties of Flows Through Porous Media: A Counterexample
  • Sep 1, 1970
  • SIAM Journal on Applied Mathematics
  • D G Aronson

Previous article Next article Regularity Properties of Flows Through Porous Media: A CounterexampleD. G. AronsonD. G. Aronsonhttps://doi.org/10.1137/0119027PDFBibTexSections ToolsAdd to favoritesExport CitationTrack CitationsEmail SectionsAbout[1] D. G. Aronson, Regularity propeties of flows through porous media, SIAM J. Appl. Math., 17 (1969), 461–467 10.1137/0117045 MR0247303 (40:571) 0187.03401 LinkISIGoogle Scholar[2] A. M. Il'In, , A. S. Kalashnikov and , O. A. Oleinik, Second order linear equations of parabolic type, Russian Math. Surveys, 17 (1962), 1–143 10.1070/rm1962v017n03ABEH004115 CrossrefGoogle Scholar[3] A. S. KalaĆĄnikov, Formation of singularities in solutions of the equation of nonstationary filtration, Z. Vyčisl. Mat. i Mat. Fiz., 7 (1967), 440–444 MR0211058 (35:1940) 0184.53201 Google Scholar[4] S. N. Kruzhkov, Results on the character of the regularity of solutions of parabolic equations and some of their applications, Math. Z., 6 (1969), 97–108 Google Scholar[5] O. A. LadyĆŸenskaja, , V. A. Solonnikov and , N. N. Ural'ceva, Linear and quasilinear equations of parabolic type, Translated from the Russian by S. Smith. Translations of Mathematical Monographs, Vol. 23, American Mathematical Society, Providence, R.I., 1967xi+648 MR0241822 (39:3159b) 0174.15403 Google Scholar[6] O. A. Oleinik, , A. S. Kalashnikov and , Yui-Lin' Chzou, The Cauchy problem and boundary problems for equations of the type of non-stationary filtration, Izv. Akad. Nauk SSSR. Ser. Mat., 22 (1958), 667–704 MR0099834 (20:6271) Google Scholar[7] R. E. Pattle, Diffusion from an instantaneous point source with a concentration-dependent coefficient, Quart. J. Mech. Appl. Math., 12 (1959), 407–409 MR0114505 (22:5326) 0119.30505 CrossrefGoogle Scholar Previous article Next article FiguresRelatedReferencesCited ByDetails Degenerate Diffusion ProblemsPhysical Mathematics and Nonlinear Partial Differential Equations | 11 Dec 2020 Cross Ref Infinite Speed of Propagation and Regularity of Solutions to the Fractional Porous Medium Equation in General DomainsCommunications on Pure and Applied Mathematics, Vol. 70, No. 8 | 19 October 2016 Cross Ref Regularity and geometric character of solution of a degenerate parabolic equationBulletin of Mathematical Sciences, Vol. 6, No. 3 | 17 May 2016 Cross Ref A rescaling algorithm for the numerical solution to the porous medium equation in a two-component domainCommunications in Nonlinear Science and Numerical Simulation, Vol. 39 | 1 Oct 2016 Cross Ref Linearly Implicit Approximations of Diffusive Relaxation SystemsActa Applicandae Mathematicae, Vol. 125, No. 1 | 25 September 2012 Cross Ref Finite speed of propagation in 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2006AbstractPDF (1791 KB)Standing pulse-like solutions of a spatially aggregating population modelJapan Journal of Applied Mathematics, Vol. 2, No. 1 | 1 Jun 1985 Cross Ref A Nonlinear Problem in Age-Dependent Population DiffusionMichel LanglaisSIAM Journal on Mathematical Analysis, Vol. 16, No. 3 | 1 August 2006AbstractPDF (1597 KB)A linearly implicit finite-difference scheme for the one-dimensional porous medium equationMathematics of Computation, Vol. 45, No. 171 | 1 January 1985 Cross Ref Waiting and propagating fronts in nonlinear diffusionPhysica D: Nonlinear Phenomena, Vol. 12, No. 1-3 | 1 Jul 1984 Cross Ref Shocks generated in a confined gas due to rapid heat addition at the boundary. I. Weak shock wavesProceedings of the Royal Society of London. A. 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G. Aronson, L. A. Caffarelli, and S. KaminSIAM Journal on Mathematical Analysis, Vol. 14, No. 4 | 17 July 2006AbstractPDF (1453 KB)A Problem in Nonlinear Age Dependent Population DiffusionPopulation Biology | 1 Jan 1983 Cross Ref Some nonlinear degenerate diffusion equations with a nonlocally convective term in ecologyHiroshima Mathematical Journal, Vol. 13, No. 1 | 1 Jan 1983 Cross Ref Numerical methods for flows through porous media. 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Slow diffusion on the lineJournal of Mathematical Physics, Vol. 21, No. 6 | 1 Jun 1980 Cross Ref Horizontal line analysis of the multidimensional porous medium equation: Existence, rate of convergence and maximum principlesNumerical Analysis | 14 October 2006 Cross Ref Density-Dependent Interaction–Diffusion SystemsDynamics and Modelling of Reactive Systems | 1 Jan 1980 Cross Ref Asymptotic expansions for the solutions of certain nonlinear parabolic problems IICommunications in Partial Differential Equations, Vol. 5, No. 12 | 8 May 2007 Cross Ref Time Dependent Free Boundary ProblemsAvner FriedmanSIAM Review, Vol. 21, No. 2 | 17 February 2012AbstractPDF (849 KB)The behavior of the support of solutions of the equation of nonlinear heat conduction with absorption in one dimensionTransactions of the American Mathematical Society, Vol. 249, No. 2 | 1 Feb 1979 Cross Ref Continuity of the density of a gas flow in a porous mediumTransactions of the American Mathematical Society, Vol. 252, No. 0 | 1 January 1979 Cross Ref Properties of solutions of an equation in the theory of infiltrationArchive for Rational Mechanics and Analysis, Vol. 65, No. 3 | 1 Sep 1977 Cross Ref ReferencesNavier–Stokes Equations - Theory and Numerical Analysis | 1 Jan 1977 Cross Ref The porous medium equation in one dimensionTransactions of the American Mathematical Society, Vol. 234, No. 2 | 1 January 1977 Cross Ref The cauchy problem for an equation in the theory of infiltrationArchive for Rational Mechanics and Analysis, Vol. 61, No. 2 | 1 Jun 1976 Cross Ref Some estimates for solution of the Cauchy problem for equations of a nonstationary filtrationJournal of Differential Equations, Vol. 20, No. 2 | 1 Mar 1976 Cross Ref On approximation by semigroups of nonlinear contractions. IIJournal of Approximation Theory, Vol. 15, No. 1 | 1 Sep 1975 Cross Ref Nonexistence theorems for the heat equation with nonlinear boundary conditions and for the porous medium equation backward in timeJournal of Differential Equations, Vol. 16, No. 2 | 1 Sep 1974 Cross Ref The asymptotic behaviour of the solution of the filtration equationIsrael Journal of Mathematics, Vol. 14, No. 1 | 1 Mar 1973 Cross Ref A remark on fluid flows through porous mediaProceedings of the Japan Academy, Series A, Mathematical Sciences, Vol. 49, No. 1 | 1 Jan 1973 Cross Ref A Finite Difference Approach to Some Degenerate Nonlinear Parabolic EquationsJ. L. Graveleau and P. JametSIAM Journal on Applied Mathematics, Vol. 20, No. 2 | 12 July 2006AbstractPDF (1764 KB)Semigroups of Nonlinear Transformations in Banach SpacesContributions to Nonlinear Functional Analysis | 1 Jan 1971 Cross Ref Regularity properties of flows through porous media: The interfaceArchive for Rational Mechanics and Analysis, Vol. 37, No. 1 | 1 Jan 1970 Cross Ref BibliographyBlow-Up in Quasilinear Parabolic Equations Cross Ref Volume 19, Issue 2| 1970SIAM Journal on Applied Mathematics266-485 History Submitted:17 July 1969Published online:17 February 2012 InformationCopyright © 1970 © Society for Industrial and Applied MathematicsPDF Download Article & Publication DataArticle DOI:10.1137/0119027Article page range:pp. 299-307ISSN (print):0036-1399ISSN (online):1095-712XPublisher:Society for Industrial and Applied Mathematics

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We investigate the behaviour of the solutions u_m(x,t) of the fractional porous medium equation u_t+(-\Delta)^s (u^m)=0, \quad x\in \mathbb R^N, \ t>0 with initial data u(x,0)\ge 0 , x\in \mathbb R^N , in the limit m\to\infty with fixed s\in (0,1) . We first identify the limit F_\infty of the Barenblatt solutions U_m(x,t) \normalcolor as the solution of a stationary fractional obstacle problem, and we observe that, contrary to the case s=1 , the limit is not compactly supported but exhibits a typical fractional tail with power-like decay. In other words, we do not get a plain mesa in the limit, but a mesa with a tail. This is not the whole story since the limit of V_m(x,t)= mt\, U_m^m(x,t) exists and is compactly supported (in x ). We then study the limit m\to\infty for a wide class of solutions with nonnegative initial data, and show also in this setting the phenomenon of initial discontinuity, whereby the solution does not take on the prescribed initial data. Finally, we derive counterexamples to expected propagation and comparison properties based on symmetrization and pose a related open problem.

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The fractional porous medium equation on manifolds with conical singularities II
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This is the second of a series of two papers that studies the fractional porous medium equation, with and , posed on a Riemannian manifold with isolated conical singularities. The first aim of the article is to derive some useful properties for the Mellin–Sobolev spaces including the Rellich–Kondrachov theorem and Sobolev–PoincarĂ©, Nash and Super PoincarĂ© type inequalities. The second part of the article is devoted to the study the Markovian extensions of the conical Laplacian operator and its fractional powers. Then based on the obtained results, we establish existence and uniqueness of a global strong solution for initial data and all . We further investigate a number of properties of the solutions, including comparison principle, contraction and conservation of mass. Our approach is quite general and thus is applicable to a variety of similar problems on manifolds with more general singularities.

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We prove optimal regularity results in Lp-based function spaces in space and time for a large class of linear parabolic equations with a nonlocal elliptic operator in bounded domains with limited smoothness. Here the nonlocal operator is given by a strongly elliptic and even pseudodifferential operator P of order 2a (0<a<1) with nonsmooth x-dependent coefficients. This includes the prominent case of the fractional Laplacian (-Δ)a, as well as elliptic operators (-∇·A(x)∇+b(x))a. The proofs are based on general results on maximal Lp-regularity and its relation to R-boundedness of the resolvent of the associated (elliptic) operator. Finally, we apply these results to show existence of strong solutions locally in time for a class of nonlinear nonlocal parabolic equations, which include a fractional nonlinear diffusion equation and a fractional porous medium equation after a transformation. The nonlinear results are new in the case of domains with boundary; the linear results are so when P is x-dependent nonsymmetric.

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Gevrey Regularity and Time Decay of Fractional Porous Medium Equation in Critical Besov Spaces
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In this paper, we show the existence and regularity of mild solutions depending on the small initial data in Besov spaces to the fractional porous medium equation. When 1 α ≀ 2, we prove global well-posedness for initial data with 1 ≀ p q ≀ ∞, and analyticity of solutions with 1 p q ≀ ∞. In particular, we also proved that when α = 1, both u and belong to . We solve this equation through the contraction mapping method based on Littlewood-Paley theory and Fourier multiplier. Furthermore, we can get time decay estimates of global solutions in Besov spaces, which is as t → ∞.

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