A Strong Form of a Problem of R. L. Graham
[摘要] If $A$ is a set of $M$ positive integers, let $G(A)$ be the maximumof $a_i/gcd(a_i,a_j)$ over $a_i,a_jin A$. We show that if$G(A)$ is not too much larger than $M$, then $A$ must have aspecial structure.
[发布日期] [发布机构]
[效力级别] [学科分类] 数学（综合）
[关键词] locally nilpotent rings;nil rings;locally nilpotent semigroups;semigroup algebras;monomial algebras;infinite words [时效性]
