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Dispersion for 1-d Schrödinger and wave equations with bv coefficients 

Beli, N.; Ignat, L.I.; Zuazua, E. (2016-01-01)
In this paper we analyze the dispersion for one dimensional wave and Schrödinger equations with BV coefficients. In the case of the wave equation we give a complete answer in terms of the variation of the logarithm of the ...
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Complexity and regularity of maximal energy domains for the wave equation with fixed initial data 

Privat, Y.; Trélat, E.; Zuazua, E. (2015-12-31)
We consider the homogeneous wave equation on a bounded open connected subset Ω of IRn. Some initial data being specified, we consider the problem of determining a measurable subset ω of Ω maximizing the L2-norm of the ...
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Optimal location of controllers for the one-dimensional wave equation 

Privat, Y.; Trélat, E.; Zuazua, E. (2013-12-31)
In this paper, we consider the homogeneous one-dimensional wave equation defined on (0,π). For every subset ωâŠ[0,π] of positive measure, every T≥2π, and all initial data, there exists a unique control of minimal norm in ...
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Optimal Observation of the One-dimensional Wave Equation 

Privat, Y.; Trélat, E.; Zuazua, E. (2013-12-31)
In this paper, we consider the homogeneous one-dimensional wave equation on [0,π] with Dirichlet boundary conditions, and observe its solutions on a subset ω of [0,π]. Let L∈(0,1). We investigate the problem of maximizing ...
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Schrödinger operators with boundary singularities: Hardy inequality, Pohozaev identity and controllability results 

Cazacu, C. (2012-12-31)
The aim of this paper is two folded. Firstly, we study the validity of a Pohozaev-type identity for the Schrödinger operator A λ:=-δ-λ/|x| 2, λ∈R, in the situation where the origin is located on the boundary of a smooth ...
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Stabilization of the wave equation on 1-D networks 

Valein, J.; Zuazua, E. (2009-12-31)
In this paper we study the stabilization of the wa ve equation on general 1-d networks. For that, we transfer known observability results in the context of control problems of conservative systems (see [R. Dáger and E. ...
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Time discrete wave equations: Boundary observability and control 

Zhang, X.; Zheng, C.; Zuazua, E. (2009-12-31)
In this paper we study the exact boundary controllability of a trapezoidal time discrete wave equation in a bounded domain. We prove that the projection of the solution in an appropriate filtered space is exactly controllable ...

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AuthorZuazua, E. (6)Privat, Y. (3)Trélat, E. (3)Beli, N. (1)Cazacu, C. (1)Ignat, L.I. (1)Valein, J. (1)Zhang, X. (1)Zheng, C. (1)Subject
Wave equation (7)
Exact controllability (2)Observability (2)Almost periodic functions (1)Boundary singularity (1)BV coefficients (1)Calculus of variations. (1)Cantor set (1)Controllability (1)Dispersion and Strichartz estimates (1)... másFecha2016 (1)2015 (1)2013 (2)2012 (1)2009 (2)

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