| 具有两项密指量的基本不等式 |
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| 引用本文： | 杨力. 具有两项密指量的基本不等式[J]. 纺织高校基础科学学报, 2008, 21(4): 411-414 |
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| 作者姓名： | 杨力 |
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| 作者单位： | 西安工业大学,数理系,陕西,西安,710032 |
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| 基金项目： | 陕西省教育厅专项科研基金资助项目 |
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| 摘 要： | 对Hayman—Yang不等式中导数f^（k）能否被替换成一般的线性微分多项式a0f＋a1f＇＋…＋akf^（k）进行了研究，并彻底解决了这一问题．实例表明，所得到的几个定理的条件是基本的．
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| 关 键 词： | 亚纯函数 线性微分多项式 密指量 |
The fundamental inequalities with two counting functions |
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| YANG Li. The fundamental inequalities with two counting functions[J]. Basic Sciences Journal of Textile Universities, 2008, 21(4): 411-414 |
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| Authors: | YANG Li |
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| Affiliation: | YANG Li (Department of Mathematics and Physics, Xi＇an Technological University, Xi＇an 710032,China) |
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| Abstract: | It is studied whether the derivative f^（k） in Hayman-Yangrs inequality can be replaced by a general linear differential polynomial ao a0f＋a1f＇＋…＋akf^（k） or not, and is solved completely. The examples are provided to show that the conditions of two theorems obtained in the present paper are essential. |
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| Keywords: | meromorphic function differential polynomial counting function |
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