【摘要】 在紧型条件下,利用非紧性测度的性质和上下解方法,在[0,+∞)上建立了比较定理和单调迭代法,得到了一类常微分方程初值问题在[0,+∞)上整体解的3个存在性结果.更多还原

【Abstract】 Under the compact type condition,a comparision theorem and monotone iterative techniques are founded on ,+∞) by using the theory of noncompactness measure and upper and lower solutions method,three existence results of global solutions are obtained for a initial value problem of ordinary differential equation in Banach spaces.更多还原