Abstract

The φ-order was introduced in 2009 for meromorphic functions in the unit disc, and was used as a growth indicator for solutions of linear differential equations. In this paper, the properties of meromorphic functions in the complex plane are investigated in terms of the φ-order, which measures the growth of functions between the classical order and the logarithmic order. Several results on value distribution of meromorphic functions are discussed by using the φ-order and the φ-exponent of convergence. Instead of linear differential equations, the applications in the complex plane lie in linear q-difference equations.

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