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An Explicit Formula of the Dirichlet-to-Neumann Map for a Radial Potential in Dimension 3
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作者 Fagueye Ndiaye 《Journal of Applied Mathematics and Physics》 2022年第2期379-404,共26页
In this paper, we provide an explicit expression for the full Dirichlet-to-Neumann map corresponding to a radial potential for the Schr&#246;dinger equation in 3-dimensional. We numerically implement the coefficie... In this paper, we provide an explicit expression for the full Dirichlet-to-Neumann map corresponding to a radial potential for the Schr&#246;dinger equation in 3-dimensional. We numerically implement the coefficients of the explicit formulas. In this work, Lipschitz type stability is established near the edge of the domain with giving estimation constant. That is necessary for the reconstruction of the potential from Dirichlet-to-Neuman map. 展开更多
关键词 Calderón’s problem Schrödinger Operator potential inverse potential problem Dirichlet-to-Neuman Map Numerical Simulations Lipschitz Stability
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Dirichlet-to-Neumann Map for a Hyperbolic Equation
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作者 Fagueye Ndiaye Mouhamadou Ngom Diaraf Seck 《Journal of Applied Mathematics and Physics》 2023年第8期2231-2251,共21页
In this paper, we provide an explicit expression for the full Dirichlet-to-Neumann map corresponding to a radial potential for a hyperbolic differential equation in 3-dimensional. We show that the Dirichlet-Neumann op... In this paper, we provide an explicit expression for the full Dirichlet-to-Neumann map corresponding to a radial potential for a hyperbolic differential equation in 3-dimensional. We show that the Dirichlet-Neumann operators corresponding to a potential radial have the same properties for hyperbolic differential equations as for elliptic differential equations. We numerically implement the coefficients of the explicit formulas. Moreover, a Lipschitz type stability is established near the edge of the domain by an estimation constant. That is necessary for the reconstruction of the potential from Dirichlet-to-Neumann map in the inverse problem for a hyperbolic differential equation. 展开更多
关键词 Hyperbolic Differential Equation Calderón’s problem Schrödinger Operator potential inverse potential problem Dirichlet-to-Neumann Map Numerical Simulations Lipschitz Stability
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