On Minimal Asymptotic Basis of Order 4
Received:April 27, 2016  Revised:September 07, 2016
Key Words: minimal asymptotic basis   $g$-adic representation  
Fund Project:Supported by the National Natural Science Foundation of China (Grant No.11471017).
Author NameAffiliation
Jingwen LI School of Mathematics and Computer Science, Anhui Normal University, Anhui 241003, P. R. China 
Jiawen LI School of Mathematics and Computer Science, Anhui Normal University, Anhui 241003, P. R. China 
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Abstract:
      Let $\mathbb{N}$ denote the set of all nonnegative integers and $A$ be a subset of $\mathbb{N}$. Let $W$ be a nonempty subset of $\mathbb{N}$. Denote by $\mathcal{F}^{\ast}(W)$ the set of all finite, nonempty subsets of $W$. Fix integer $g\geq2$, let $A_{g}(W)$ be the set of all numbers of the form $\sum_{f\in F}a_{f}g^{f}$ where $F\in \mathcal{F}^{\ast}(W)$ and $1\leq a_{f}\leq g-1$. For $i=0,1,2,3$, let $W_{i}=\{n\in \mathbb{N} \mid n\equiv i \pmod 4\}$. In this paper, we show that the set $A=\bigcup_{i=0}^3 A_{g}(W_{i})$ is a minimal asymptotic basis of order four.
Citation:
DOI:10.3770/j.issn:2095-2651.2016.06.003
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