【摘要】 Miller和Mocanu[1]应用二阶微分从属理论得到不少有趣的微分不等式,本文改进了他们的一些结果,并推广了Nunokawa等[2]的主要定理以及Frasin和Darus[3]的一个结果。更多还原

【Abstract】 Miller and Mocanu［1］ obtained a number of interesting differential inequalities by using second order differential subordination.In this paper we improve some of their results.The main theorem of Nunokawa et al.［2］and a result of Frasin and Darus［3］ are also generalized.更多还原