Математические модели соболевского типа высокого порядка
Ключевые слова:
уравнения соболевского типа высокого порядка, фазовое пространство, пропагаторы, начально-конечная задача, относительный спектр.Аннотация
Статья содержит обзор результатов автора в области математических моделей на основе уравнений соболевского типа высокого порядка. Теория построена на основе известных фактов по разрешимости начальных (начально-конечных) задач для уравнений соболевского типа первого порядка. Идея базируется на обобщении теории вырожденных (полу)групп операторов на случай уравнений соболевсого типа высокого порядка: расщеплении пространств, действий всех операторов, построении пропагаторов и фазового пространства однородного уравнения, а также множества допустимых начальных значений для неоднородного уравнения. Мы используем уже хорошо зарекомендовавший себя при решении уравнений соболевского типа метод фазового пространства, заключающийся в редукции сингулярного уравнения к регулярному, определенному на некотором подпространстве исходного пространства. В работе проводится редукция математических моделей к начальным (начально-конечным) задачам для абстрактного уравнения соболевского типа высокого порядка. Полученные результаты могут найти дальнейшее применение при исследовании задач оптимального управления, нелинейных математических моделей, а также для построения теории уравнений соболевского типа высокого порядка в квазибанаховых пространствах.Библиографические ссылки
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