A comparison theorem, by means of a method of direct analysis, is established for a linear impulsive delay differential equation of second order, which improves, extends and correlates the results obtained in the lite...A comparison theorem, by means of a method of direct analysis, is established for a linear impulsive delay differential equation of second order, which improves, extends and correlates the results obtained in the literature.展开更多
文摘A comparison theorem, by means of a method of direct analysis, is established for a linear impulsive delay differential equation of second order, which improves, extends and correlates the results obtained in the literature.