Nonlocal transformations with additional variables. Forced symmetries
UDC 517.9: 519.46 The concept of nonlocal transformation with additional variables is offered, developed and applied to search additional symmetry of nonlinear partial differential equations. Possible schemes of relation of differential equations by means of prolonged nonlocal transformations of thi...
Збережено в:
| Дата: | 2022 |
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| Автори: | , |
| Формат: | Стаття |
| Мова: | Українська |
| Опубліковано: |
Institute of Mathematics, NAS of Ukraine
2022
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| Онлайн доступ: | https://umj.imath.kiev.ua/index.php/umj/article/view/6995 |
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| Назва журналу: | Ukrains’kyi Matematychnyi Zhurnal |
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Репозитарії
Ukrains’kyi Matematychnyi Zhurnal| Резюме: | UDC 517.9: 519.46
The concept of nonlocal transformation with additional variables is offered, developed and applied to search additional symmetry of nonlinear partial differential equations. Possible schemes of relation of differential equations by means of prolonged nonlocal transformations of this type are considered, several examples are given. The method is used for constructing algorithms and formulas generating new solutions from known solutions that use additional symmetry. These formulas are applied to finding of exact solutions for some nonlinear equations. |
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| DOI: | 10.37863/umzh.v74i3.6995 |