2 papers
math.GR2026
Subsets of abelian groups closed under addition or subtraction
Artūras Dubickas, Chris Smyth
In this article, we first describe all nonempty sets of integers S with the property that for all n and m in S, not necessarily distinct, the set {n-m,n+m} intersected with S consi…
math.NT2024
Counting integer polynomials with several roots of maximal modulus
Artūras Dubickas, Min Sha
In this paper, for positive integers and , we obtain some estimates on the cardinality of the set of monic integer polynomials of degree and height bounded by …