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PARTITIONS OF $\mathbb {Z}_m$ WITH IDENTICAL REPRESENTATION FUNCTION

Part of: Sequences and sets

Published online by Cambridge University Press:  22 September 2020

SHI-QIANG CHEN Open the ORCID record for SHI-QIANG CHEN [Opens in a new window]  and
XIAO-HUI YAN Open the ORCID record for XIAO-HUI YAN [Opens in a new window]
SHI-QIANG CHEN*
Affiliation:
School of Mathematical Sciences and Institute of Mathematics, Nanjing Normal University, Nanjing210023, P. R. China
XIAO-HUI YAN
Affiliation:
School of Mathematics and Statistics, Anhui Normal University, Wuhu210023, P. R. China e-mail: yanxiaohui_1992@163.com
*
e-mail: csq20180327@163.com
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Abstract

For a given set $S\subseteq \mathbb {Z}_m$ and $\overline {n}\in \mathbb {Z}_m$ , let $R_S(\overline {n})$ denote the number of solutions of the equation $\overline {n}=\overline {s}+\overline {s'}$ with ordered pairs $(\overline {s},\overline {s'})\in S^2$ . We determine the structure of $A,B\subseteq \mathbb {Z}_m$ with $|(A\cup B)\setminus (A\cap B)|=m-2$ such that $R_{A}(\overline {n})=R_{B}(\overline {n})$ for all $\overline {n}\in \mathbb {Z}_m$ , where m is an even integer.

Keywords

partitionrepresentation function

MSC classification

Primary: 11B13: Additive bases, including sumsets
Type
Research Article
Information
Bulletin of the Australian Mathematical Society , Volume 103 , Issue 2 , April 2021 , pp. 204 - 209
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Copyright
© 2020 Australian Mathematical Publishing Association Inc.

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Footnotes

This work was supported by the National Natural Science Foundation of China, Grant No. 11771211. The first author is also supported by the Project of Graduate Education Innovation of Jiangsu Province, Grant No. KYCX20_1167.

References

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