利用Nevanlinna值分布理论对单位圆内具有相同增长级和不同型的亚纯函数与解析函数f1(z)与f2(z)四则运算后的级、下级和型进行了研究,得到了一些结果,完善了原有的一些结论.
The order, lower order and type of f1+f2 ,f1f2 ,f1/f2are investigated by using the Nevanlinna value distri- bution theory,where f1 (z) ,f2(z)are meromorphic functions or analytic functions with the same order and different type in the unit disc, and some results are obtained which improve some previous results.