Contents V.11, N.2, 2020

  • AN INVERSE BOUNDARY VALUE PROBLEM FOR THE BOUSSINESQ-LOVE EQUATION WITH NONLOCAL INTEGRAL CONDITION
    N.SH. ISKENDEROV , S.I. ALLAHVERDIYEVA (pp. 226-237)
  • Abstract

    The work is devoted to the study of the solvability of an inverse boundary value problem with an unknown time-dependent coefficient for the Boussinesq-Love equation with Nonlocal Integral Condition. The goal of the paper consists of the determination of the unknown coefficient together with the solution. The problem is considered in a rectangular domain. The definition of the classical solution of the problem is given. First, the given problem is reduced to an equivalent problem in a certain sense. Then, using the Fourier method the equivalent problem is reduced to solving the system of integral equations. Thus, the solution of an auxiliary inverse boundary value problem reduces to a system of three nonlinear integro-differential equations for unknown functions. A concrete Banach space is constructed. Further, in the ball from the constructed Banach space by the contraction mapping principle, the solvability of the system of nonlinear integro-differential equations is proved. This solution is also a unique solution to the equivalent problem. Finally, by equivalence, the theorem of existence and uniqueness of a classical solution to the given problem is proved.

    Keywords

    inverse problems, hyperbolic equations, nonlocal integral condition, classical solution, existence, uniqueness

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