Zhao-Jun Wu, Dao-chun Sun
In the present paper, we investigate higher order linear differential equations with entire coefficients of iterated order. Using value distribution theory of transcendental meromorphic functions and covering surface theory, we extend a result on the order of growth of solutions published by Bank and Langley .
Submitted June 26 2007. Published October 12, 2007.
Math Subject Classifications: 34M10, 30D35.da
Key Words: Iterated order; iterated convergence exponent.
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| Zhao-Jun Wu |
Department of Mathematics, Xianning University
Hubei Xianning, 437100, China
| Dao-chun Sun |
School of Mathematics, South China Normal University
Guangzhou, 510631, China
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