On meromorphic solutions of functional equations of Fermat type

Pei-chu Hu, Qiong Wang

Take complex numbers $a_j,b_j$, $(j=0,1,2)$ such that $c\ne 0$ and {\rm rank} ( {ccc} a_{0} & a_{1} & a_{2} b_{0} & b_{1} & b_{2} )=2. We show that if the following functional equa…