Conditional and hidden infinite-dimensional symmetries of wave equations

• Datum: 2022
• Hauptverfasser: Yehorchenko , I. A., Vorobyova, A. I., Єгорченко, І. A., Воробйова, А. І.
• Format: Artikel
• Sprache: Ukrainisch
• Veröffentlicht: Institute of Mathematics, NAS of Ukraine 2022
• Online Zugang: https://umj.imath.kiev.ua/index.php/umj/article/view/7035
• Назва журналу: Ukrains’kyi Matematychnyi Zhurnal

UDC 517.9 We consider conditional and hidden symmetry of multidimensional wave equations that are generated by additional conditions. An additional condition that corresponds to the dilation operator generates an infinite-dimensional symmetry for the wave equation.