EXISTENCE OF CLASSICAL WEAKENED SOLUTION ON THE AXIS OF THIRD CENTRALLY SYMMETRIC MIXED PROBLEM FOR SECOND ORDER HOMOGENEOUS THREE-DIMENSIONAL GENERAL HYPERBOLIC EQUATION
Keywords:
central symmetry’s wave, classical solution, a priori energetic inequality, d’Alembert’s method, Duhamel principleDOI:
https://doi.org/10.17654/0972111826001Abstract
We prove the existence of the classical weakened solution on the axis of the third mixed problem with central symmetry for the general homogeneous three-dimensional hyperbolic equation of the second order with minimal conditions on the initial data.
Received: July 12, 2025
Revised: August 17, 2025
Accepted: September 15, 2025
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