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Published online by Cambridge University Press: 23 April 2018
Let ${\mathcal{A}}=\{a_{1}<a_{2}<\cdots \,\}$ be a set of nonnegative integers. Put
$D({\mathcal{A}})=\gcd \{a_{k+1}-a_{k}:k=1,2,\ldots \}$. The set
${\mathcal{A}}$ is an asymptotic basis if there exists
$h$ such that every sufficiently large integer is a sum of at most
$h$ (not necessarily distinct) elements of
${\mathcal{A}}$. We prove that if the difference of consecutive integers of
${\mathcal{A}}$ is bounded, then
${\mathcal{A}}$ is an asymptotic basis if and only if there exists an integer
$a\in {\mathcal{A}}$ such that
$(a,D({\mathcal{A}}))=1$.
This work was supported by the National Natural Science Foundation of China (Grant No.11471017).