Exponential rings, exponential polynomials and exponential functions
Exponential rings, exponential polynomials and exponential functions
In this paper we define the category of exponential rings and develop some of its basic properties.Introduction.An exponential ring, or E-ring for short, is a pair (i?, E) with R a ring-in this paper always commutative with 1-and E a morphism of the additive group of R into the multiplicative …