Finite order meromorphic solutions of linear difference equations

Finite order meromorphic solutions of linear difference equations
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DOI:
10.3792/pjaa.87.73
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发表时间:
2011-05
期刊:
--
影响因子:
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通讯作者:
Sheng Li;Zongsheng Gao
Sheng Li;Zongsheng Gao
中科院分区:
其他
文献类型:
--
作者:
Sheng Li;Zongsheng Gao

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本文主要研究线性微分方程亚纯解的增长性和值分布,其中a0 <$z <$; a1 <$z <$;(cid:3)(cid:3)(cid:3); an n <$z <$; B <$z <$是整函数,使得a0 <$z <$an n <$z <$6(cid:4)0 .对有限阶亚纯解f <$z <$g,证明了(cid:2)/4(cid:2)<$f <$g与(cid:3)f <$max f(cid:3)<$f <$g;(cid:3)<$1 =f <$g之间关系的一些有趣结果.最后给出了实例验证。
: In this paper, we mainly investigate the growth and the value distribution of meromorphic solutions of the linear difference equation where a 0 ð z Þ ; a 1 ð z Þ ; (cid:3) (cid:3) (cid:3) ; a n ð z Þ ; b ð z Þ are entire functions such that a 0 ð z Þ a n ð z Þ 6(cid:4) 0 . For a finite order meromorphic solution f ð z Þ , some interesting results on the relation between (cid:2) ¼ (cid:2) ð f Þ and (cid:3) f ¼ max f (cid:3) ð f Þ ; (cid:3) ð 1 =f Þg , are proved. And examples are provided for our results.