Abstract
An initial-boundary value problem for Zakharov–Kuznetsov equation u t + bu x + u xxx + u xyy + uu x = f 0(t)g(t, x, y) posed on a rectangle (0, R) × (0, L) for t ∈ (0, T) under certain initial and boundary conditions is considered. Here, the function f 0 is unknown and is referred as a control, and the function g is given. The problem is to find a pair (f 0, u), satisfying the additional condition \(\int _0^T u(t,x,y)\omega (x,y)\,dxdy = \varphi (t)\), where the functions ω, φ are given and u is the solution to the corresponding initial-boundary value problem. It is shown that under certain smallness assumptions on input data such a pair exists and is unique. For the corresponding linearized equation, a similar result is obtained without any smallness assumptions.
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Acknowledgements
The publication was supported by the Ministry of Education and Science of the Russian Federation (Project 1.962.2017/PCh) and RFBR grants 17-01-00849, 17-51-52022 and 18-01-00590.
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Faminskii, A.V. (2019). On One Control Problem for Zakharov–Kuznetsov Equation. In: Lindahl, K., Lindström, T., Rodino, L., Toft, J., Wahlberg, P. (eds) Analysis, Probability, Applications, and Computation. Trends in Mathematics(). Birkhäuser, Cham. https://doi.org/10.1007/978-3-030-04459-6_29
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DOI: https://doi.org/10.1007/978-3-030-04459-6_29
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