On the stability of the Dirichlet problem for the vibrating string equation

Gloria Papi Frosali

Displaying similar documents to “On the stability of the Dirichlet problem for the vibrating string equation”

The mean square of the error term in a generalization of Dirichlet's divisor problem

Tom Meurman (1996)

Acta Arithmetica

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Precise asymptotic behavior of solutions to damped simple pendulum equations.

Shibata, Tetsutaro (2009)

Electronic Journal of Differential Equations (EJDE) [electronic only]

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The four positive vortices problem : regions of chaotic behavior and the non-integrability

M. S. A. C. Castilla, Vinicio Moauro, Piero Negrini, Waldyr Muniz Oliva (1993)

Annales de l'I.H.P. Physique théorique

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Norm estimates of discrete Schrödinger operators

Ryszard Szwarc (1998)

Colloquium Mathematicae

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Harper’s operator is defined on $ℓ^{2} (Z)$ by $H_{θ} ξ (n) = ξ (n + 1) + ξ (n - 1) + 2 cos n θ ξ (n),$ where $θ \in [0, π]$ . We show that the norm of $∥ H_{θ} ∥$ is less than or equal to $2 \sqrt{2}$ for $π / 2 \leq θ \leq π$ . This solves a conjecture stated in [1]. A general formula for estimating the norm of self-adjoint tridiagonal infinite matrices is also derived.

The phase of the Daubechies filters.

Djalil Kateb, Pierre Gilles Lemarié-Rieusset (1997)

Revista Matemática Iberoamericana

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We give the first term of the asymptotic development for the phase of the N-th (minimum-phased) Daubechies filter as N goes to +∞. We obtain this result through the description of the complex zeros of the associated polynomial of degree 2N+1.

The solution of the two-point boundary value problem for a nonlinear differential equation of the third order

Ľudmila Zajacová (1986)

Mathematica Slovaca

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Energy decay estimates for Lienard's equation with quadratic viscous feedback.

Khapalov, Alexander Y., Nag, Parthasarathi (2003)

Electronic Journal of Differential Equations (EJDE) [electronic only]

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