On a Class of Nonlinear Second-Order Differential Equations
On a Class of Nonlinear Second-Order Differential Equations
where the function F(t, x) is subject to the following conditions: (2a) F(t, x) is continuous in both t and x for 0 0 for t>0, x>0; (2c) tEF(t2, x) >t-FF(ti, x) for O 0) from being included in (1). The use of this condition will thus tend to emphasize …