Аннотация:
В статье установлены результаты о нелокальной разрешимости и корректности в различных функциональных пространствах смешанной задачи в полуполосе (0,T)×(−∞,0) для уравнения Кортевега–де Фриза
ut+uxxx+aux+uux=f(t,x).
Для получения некоторых априорных оценок решений рассматриваемой задачи использовано специальное решение J(t,x) линеаризованного уравнения КдФ типа граничного потенциала. Исследованы свойства функции J, которые существенно различны при x→+∞ и x→−∞. Применение этого граничного потенциала позволило, в частности, доказать существование обобщенных решений данной задачи при нерегулярных граничных данных.
Библиография: 22 названия.
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