2019
DOI: 10.1007/s00605-019-01352-z
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On the principle of linearized stability in interpolation spaces for quasilinear evolution equations

Abstract: Well-posedness in time-weighted spaces for quasilinear (and semilinear) parabolic evolution equations u ′ = A(u)u + f (u) is established in a certain critical case of strict inclusion dom(f ) dom(A) for the domains of the (superlinear) function u → f (u) and the quasilinear part u → A(u). Based upon regularizing effects of parabolic equations, it is proven that the solution map generates a semiflow in a critical intermediate space.The applicability of the abstract results is demonstrated by several examples in… Show more

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Cited by 14 publications
(40 citation statements)
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“…Besides, this paper provides the full picture of the set of equilibrium solutions to (1.1) -which are described by either flat of finger-shaped interfaces (similarly as in the bounded periodic case [31]) -and the stability properties of the flat equilibria and of small finger-shaped equilibria are studied in the phase space H r (S). For the latter purpose we use a quasilinear principle of linearized stability derived recently in [50].…”
Section: Introduction and The Main Resultsmentioning
confidence: 99%
See 2 more Smart Citations
“…Besides, this paper provides the full picture of the set of equilibrium solutions to (1.1) -which are described by either flat of finger-shaped interfaces (similarly as in the bounded periodic case [31]) -and the stability properties of the flat equilibria and of small finger-shaped equilibria are studied in the phase space H r (S). For the latter purpose we use a quasilinear principle of linearized stability derived recently in [50].…”
Section: Introduction and The Main Resultsmentioning
confidence: 99%
“…This property needs to be verified before applying the abstract quasilinear parabolic theory outlined in [1][2][3][4][5] (see also [50]) in the particular context of (4.1). We begin by solving the equation (1.1a) 2 for ω.…”
Section: The Muskat Problem With Surface Tension Effectsmentioning
confidence: 99%
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“…(C2) in Section 2.1), we affirm that the mixed‐order matrix A with fixed coefficients in a certain regularity space generates an analytic semigroup. The well‐posedness result then follows from a classical result on abstract parabolic equations by Amann in [3, Section 12] and [15, Theorem 1.1].…”
Section: Introductionmentioning
confidence: 92%
“…Eventually, we recall that the one and only equilibrium of the system (1.1) is given by the flat state, which is uniquely determined by the initial data. We apply a recently established result in [15] to prove that the flat equilibrium is asymptotically stable in interpolation spaces. This improves the existing stability result in [4, Theorem 4.5].…”
Section: Introductionmentioning
confidence: 99%