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  1. No Access

    Article

    The interior transmission eigenvalue problem for an anisotropic medium by a partially coated boundary

    We consider the interior transmission eigenvalue problem corresponding to the scattering for an anisotropic medium of the scalar Helmholtz equation in the case where the boundary ∂Ω is split into two disjoint ...

    Jianli **ang, Guozheng Yan in Acta Mathematica Scientia (2024)

  2. No Access

    Article

    Uniqueness of Inverse Transmission Scattering with a Conductive Boundary Condition by Phaseless Far Field Pattern

    In this paper, we establish the unique determination result for inverse acoustic scattering of a penetrable obstacle with a general conductive boundary condition by using phaseless far field data at a fixed fr...

    Jianli **ang, Guozheng Yan in Acta Mathematica Scientia (2023)

  3. No Access

    Article

    The factorization method for inhomogeneous medium with an impenetrable obstacle

    This paper is concerned with the inverse scattering problem of time-harmonic acoustic waves by a mixed-type scatterer. Such a scatterer is given as the union of an inhomogeneous medium with unknown buried obje...

    Jianli **ang, Guozheng Yan in Computational and Applied Mathematics (2021)

  4. No Access

    Article

    The factorization method for cracks in inhomogeneous media

    We consider the inverse scattering problem of determining the shape and location of a crack surrounded by a known inhomogeneous media. Both the Dirichlet boundary condition and a mixed type boundary conditions...

    Jun Guo, Guozheng Yan, **g **, Junhao Hu in Applications of Mathematics (2017)

  5. No Access

    Article

    The factorization method for the inverse scattering problem from thin dielectric objects

    We consider the inverse scattering problem of determining the shape and position of a thin dielectric infinite cylinder having an open arc as cross section from the knowledge of the related far field data. The...

    Qinghua Wu, Guozheng Yan in Computational and Applied Mathematics (2017)

  6. Article

    Open Access

    The Problem of Scattering by a Mixture of Cracks and Obstacles

    Consider the scattering of an electromagnetic time-harmonic plane wave by an infinite cylinder having an open crack and a bounded domai...

    Guozheng Yan in Boundary Value Problems (2009)

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  7. No Access

    Chapter

    Integral Equation Methods for Scattering by Periodic Lipschitz Surfaces

    In this paper we consider the two-dimensional Dirichlet and impedance boundary value problems for the Helmholtz equation, Δu + k 2 u = 0, in a non-locally perturbed half-plane ...

    Bo Zhang, Guozheng Yan in Integral Methods in Science and Engineering (2004)