Classical solution of the initial-value problem for a one-dimensional quasilinear wave equation
https://doi.org/10.29235/1561-8323-2023-67-1-14-19
Abstract
For a one-dimensional mildly quasilinear wave equation given in the upper half-plane, we consider the Cauchy problem. The solution is constructed by the method of characteristics in an implicit analytical form as a solution of some integro-differential equation. The solvability of this equation, as well the smoothness of its solution, is studied. For the problem in question, the uniqueness of the solution is proved and the conditions under which its classical solution exists are established. When given data is not enough smooth a mild solution is constructed.
About the Authors
V. I. Korzyuk
Institute of Mathematics of the National Academy of Sciences of Belarus
Belarus
Belarus
Korzyuk Viktor I. – Academician, D. Sc. (Physics and
Mathematics), Professor
11, Surganov Str., 220072, Minsk
J. V. Rudzko
Institute of Mathematics of the National Academy of Sciences of Belarus
Russian Federation
Russian Federation
Rudzko Jan V. – Postgraduate Student
11, Surganov Str., 220072, Minsk
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