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pro vyhledávání: '"Xiaoguang Qi"'
Autor:
Lianzhong Yang, Xiaoguang Qi
Publikováno v:
Bulletin of the Iranian Mathematical Society. 47:1491-1504
Let f be a transcendental meromorphic function of hyper-order strictly less than 1. In this paper, we deal with the uniqueness problem on f sharing two values with its nth order differences $$\Delta ^n f $$ . And this research extends earlier results
Autor:
Xiaoguang Qi, Lianzhong Yang
Publikováno v:
Bulletin of the Iranian Mathematical Society. 46:579-591
We use Nevanlinna theory to study the existence of entire solutions with finite order of the Fermat type differential–difference equations. Moreover, we consider the common solutions of a pair of differential and difference equations and give an ap