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Haut PDF Decay rates for the damped wave equation on the torus

Decay rates for the damped wave equation on the torus

Decay rates for the damped wave equation on the torus

... [LR97] for a wave equation damped on a (small) part of the ...paper, the authors also make the following comment about the result they obtain: “Notons toutefois ...

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Exponential decay for the damped wave equation in unbounded domains

Exponential decay for the damped wave equation in unbounded domains

... manifold, the uniform positivity of hγi T (x, ξ) in Σ for some T > 0 implies that the exponential decay ...in the celebrated articles [30], [3] and [4] of Bardos, Lebeau, Rauch and ...

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Energy decay for the damped wave equation under a pressure condition

Energy decay for the damped wave equation under a pressure condition

... establish the presence of a spectral gap near the real axis for the damped wave equation on a manifold with negative ...by the negativity of a topological pressure ...

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DECAY FOR THE KELVIN-VOIGT DAMPED WAVE EQUATION: PIECEWISE SMOOTH DAMPING

DECAY FOR THE KELVIN-VOIGT DAMPED WAVE EQUATION: PIECEWISE SMOOTH DAMPING

... implies the exponential stabilization, which holds for the wave equation with localized viscous damping a(x)∂ t u (see [ LR05 , Zh18 ] for results using the multiplier ...

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One-dimensional wave equation with set-valued boundary damping: well-posedness, asymptotic stability, and decay rates

One-dimensional wave equation with set-valued boundary damping: well-posedness, asymptotic stability, and decay rates

... to the full X 2 by a density argument, ...to the damping one ...2 for every s ∈ R), and exponential stability is achieved, ...−µt for some positive constants C, µ, cf. [27] for ...

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QUANTITATIVE RATES OF CONVERGENCE TO EQUILIBRIUM FOR THE DEGENERATE LINEAR BOLTZMANN EQUATION ON THE TORUS

QUANTITATIVE RATES OF CONVERGENCE TO EQUILIBRIUM FOR THE DEGENERATE LINEAR BOLTZMANN EQUATION ON THE TORUS

... An equation related to ( 1 ), the 1d Goldstein-Taylor type model, has been studied in [ 7 ] where the authors do get explicit rates via comparing this equation to a damped ...

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Well-posedness and optimal decay rates for the viscoelastic Kirchhoff equation

Well-posedness and optimal decay rates for the viscoelastic Kirchhoff equation

... regarding the Kirchhoff equation subject to a frictional damping, in contrast, there is just a few number of papers concerned with the Kirchhoff equation subject to a dissipation given by a ...

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Well-posedness and optimal decay rates for the viscoelastic Kirchhoff equation

Well-posedness and optimal decay rates for the viscoelastic Kirchhoff equation

... regarding the Kirchhoff equation subject to a frictional damping, in contrast, there is just a few number of papers concerned with the Kirchhoff equation subject to a dissipation given by a ...

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Decay and non-decay of the local energy for the wave equation in the De Sitter - Schwarzschild metric

Decay and non-decay of the local energy for the wave equation in the De Sitter - Schwarzschild metric

... of the most efficient approaches to the question of local en- ergy decay is the theory of ...to the frequencies and rates of dumping of signals emitted by the black hole ...

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Quantitative rates of convergence to equilibrium for the degenreate linear Boltzman equation on the Torus

Quantitative rates of convergence to equilibrium for the degenreate linear Boltzman equation on the Torus

... An equation related to ( 1 ), the 1d Goldstein-Taylor type model, has been studied in [7] where the authors do get explicit rates via comparing this equation to a damped ...

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Stabilisation of wave equations on the torus with rough dampings

Stabilisation of wave equations on the torus with rough dampings

... with the works by Laurent [ 30 , 31 ], Kashiwara-Kawai [ 28 ], Sjöstrand [ 47 ], Lebeau [ 33 ] in the analytic context, (see also Bony-Lerner [ 7 ] in the C ∞ framework and Sjöstrand-Zworski [ 49 ] ...

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Exponential decay for the Schrödinger equation on a dissipative waveguide

Exponential decay for the Schrödinger equation on a dissipative waveguide

... For the dissipative equations, this non-trapping assumption can be replaced by the same damping condition (geometric control condition) on bounded trajectories as in the compact case (where ...

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CONCENTRATION OF LAPLACE EIGENFUNCTIONS AND STABILIZATION OF WEAKLY DAMPED WAVE EQUATION

CONCENTRATION OF LAPLACE EIGENFUNCTIONS AND STABILIZATION OF WEAKLY DAMPED WAVE EQUATION

... as the damping b ≥ 0 is non trivial, the energy of every solution converge to 0 as t tends to ...On the other hand the rate of decay is uniform (and hence exponential) in energy space ...

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NULL CONTROLLABILITY OF THE STRUCTURALLY DAMPED WAVE EQUATION ON THE TWO-DIMENSIONAL TORUS

NULL CONTROLLABILITY OF THE STRUCTURALLY DAMPED WAVE EQUATION ON THE TWO-DIMENSIONAL TORUS

... establish the observability inequality ( ...estimates for the backward heat equation ( 1.34 ) and for the transport equation ( ...with the same weights functions. ...

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Sharp rates of decay of solutions to the nonlinear fast diffusion equation via functional inequalities

Sharp rates of decay of solutions to the nonlinear fast diffusion equation via functional inequalities

... particular, the existence of a spectral gap was established for all α 6= α ∗ = (2 − d)/2, but its value was not stated for all values of ...linearized the fast diffusion flow (considered as a ...

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Global infinite energy solutions for the cubic wave equation

Global infinite energy solutions for the cubic wave equation

... In the case d = 4 one may expect to get uniqueness by combining the analysis of [8] with the critical H 1 theory for ...include the case s = 0 by elaborating on the arguments ...

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1-D non-periodic homogenization for the seismic wave equation

1-D non-periodic homogenization for the seismic wave equation

... In the static case, this kind of problem has been studied for a long time and a large number of results have been obtained us- ing the so-called homogenization theory applied to media showing rapid ...

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Decay rates for radiative transitions in the Pr IV spectrum

Decay rates for radiative transitions in the Pr IV spectrum

... IV The ground state of Pr IV is [Xe]4f 2 3 H 4 . All of the term energies experimentally deduced so far are listed in the NIST compilation (Martin et al 1978 ) which contains 88 levels identified as ...

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Alfvén Wave Propagation in the Io Plasma Torus

Alfvén Wave Propagation in the Io Plasma Torus

... in the Io torus is close to rotating with Jupiter's 10 ‐hr spin ...that the sulfur and oxygen ions experience a considerable centrifugal force that tends to con fine them to the farthest point ...

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Unique continuation property and control for the Benjamin-Bona-Mahony equation on the torus

Unique continuation property and control for the Benjamin-Bona-Mahony equation on the torus

... is the trivial one u ≡ ...to the approximate controllability for linear PDE, and it is involved in the classical unique- ness/compactness approach in the proof of the stability ...

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