2 papers
math.RA2026
Non-isomorphism of rings of integer-coefficient holomorphic functions on disks of varying radius
Jon Bannon, David Feldman
For , let denote the ring of power series with integer Taylor coefficients converging on the open disk . We prove th…
math.CV2026
Integer Coefficient Power Series with Prescribed Zero Sets
Jon Bannon, David Feldman
We prove that a discrete effective divisor on the open unit disk is the zero divisor of a holomorphic function on with integer Taylor coefficients if and…