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Onn-Sums in an Abelian Group
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Zeitschriftentitel: | Combinatorics, Probability and Computing |
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Personen und Körperschaften: | , , |
In: | Combinatorics, Probability and Computing, 25, 2016, 3, S. 419-435 |
Format: | E-Article |
Sprache: | Englisch |
veröffentlicht: |
Cambridge University Press (CUP)
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author_facet |
GAO, WEIDONG GRYNKIEWICZ, DAVID J. XIA, XINGWU GAO, WEIDONG GRYNKIEWICZ, DAVID J. XIA, XINGWU |
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author |
GAO, WEIDONG GRYNKIEWICZ, DAVID J. XIA, XINGWU |
spellingShingle |
GAO, WEIDONG GRYNKIEWICZ, DAVID J. XIA, XINGWU Combinatorics, Probability and Computing Onn-Sums in an Abelian Group Applied Mathematics Computational Theory and Mathematics Statistics and Probability Theoretical Computer Science |
author_sort |
gao, weidong |
spelling |
GAO, WEIDONG GRYNKIEWICZ, DAVID J. XIA, XINGWU 0963-5483 1469-2163 Cambridge University Press (CUP) Applied Mathematics Computational Theory and Mathematics Statistics and Probability Theoretical Computer Science http://dx.doi.org/10.1017/s0963548315000255 <jats:p>Let<jats:italic>G</jats:italic>be an additive abelian group, let<jats:italic>n</jats:italic>⩾ 1 be an integer, let<jats:italic>S</jats:italic>be a sequence over<jats:italic>G</jats:italic>of length |<jats:italic>S</jats:italic>| ⩾<jats:italic>n</jats:italic>+ 1, and let<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="gif" xlink:type="simple" xlink:href="S0963548315000255_inline1" /><jats:tex-math>${\mathsf h}$</jats:tex-math></jats:alternatives></jats:inline-formula>(<jats:italic>S</jats:italic>) denote the maximum multiplicity of a term in<jats:italic>S</jats:italic>. Let Σ<jats:italic><jats:sub>n</jats:sub></jats:italic>(<jats:italic>S</jats:italic>) denote the set consisting of all elements in<jats:italic>G</jats:italic>which can be expressed as the sum of terms from a subsequence of<jats:italic>S</jats:italic>having length<jats:italic>n</jats:italic>. In this paper, we prove that either<jats:italic>ng</jats:italic>∈ Σ<jats:sub><jats:italic>n</jats:italic></jats:sub>(<jats:italic>S</jats:italic>) for every term<jats:italic>g</jats:italic>in<jats:italic>S</jats:italic>whose multiplicity is at least<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="gif" xlink:type="simple" xlink:href="S0963548315000255_inline1" /><jats:tex-math>${\mathsf h}$</jats:tex-math></jats:alternatives></jats:inline-formula>(<jats:italic>S</jats:italic>) − 1 or |Σ<jats:italic><jats:sub>n</jats:sub></jats:italic>(<jats:italic>S</jats:italic>)| ⩾ min{<jats:italic>n</jats:italic>+ 1, |<jats:italic>S</jats:italic>| −<jats:italic>n</jats:italic>+ | supp (<jats:italic>S</jats:italic>)| − 1}, where |supp(<jats:italic>S</jats:italic>)| denotes the number of distinct terms that occur in<jats:italic>S</jats:italic>. When<jats:italic>G</jats:italic>is finite cyclic and<jats:italic>n</jats:italic>= |<jats:italic>G</jats:italic>|, this confirms a conjecture of Y. O. Hamidoune from 2003.</jats:p> On<i>n</i>-Sums in an Abelian Group Combinatorics, Probability and Computing |
doi_str_mv |
10.1017/s0963548315000255 |
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Online |
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Mathematik Informatik |
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Cambridge University Press (CUP), 2016 |
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0963-5483 1469-2163 |
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0963-5483 1469-2163 |
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English |
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2016 |
publisher |
Cambridge University Press (CUP) |
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series |
Combinatorics, Probability and Computing |
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49 |
title |
Onn-Sums in an Abelian Group |
title_unstemmed |
Onn-Sums in an Abelian Group |
title_full |
Onn-Sums in an Abelian Group |
title_fullStr |
Onn-Sums in an Abelian Group |
title_full_unstemmed |
Onn-Sums in an Abelian Group |
title_short |
Onn-Sums in an Abelian Group |
title_sort |
on<i>n</i>-sums in an abelian group |
topic |
Applied Mathematics Computational Theory and Mathematics Statistics and Probability Theoretical Computer Science |
url |
http://dx.doi.org/10.1017/s0963548315000255 |
publishDate |
2016 |
physical |
419-435 |
description |
<jats:p>Let<jats:italic>G</jats:italic>be an additive abelian group, let<jats:italic>n</jats:italic>⩾ 1 be an integer, let<jats:italic>S</jats:italic>be a sequence over<jats:italic>G</jats:italic>of length |<jats:italic>S</jats:italic>| ⩾<jats:italic>n</jats:italic>+ 1, and let<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="gif" xlink:type="simple" xlink:href="S0963548315000255_inline1" /><jats:tex-math>${\mathsf h}$</jats:tex-math></jats:alternatives></jats:inline-formula>(<jats:italic>S</jats:italic>) denote the maximum multiplicity of a term in<jats:italic>S</jats:italic>. Let Σ<jats:italic><jats:sub>n</jats:sub></jats:italic>(<jats:italic>S</jats:italic>) denote the set consisting of all elements in<jats:italic>G</jats:italic>which can be expressed as the sum of terms from a subsequence of<jats:italic>S</jats:italic>having length<jats:italic>n</jats:italic>. In this paper, we prove that either<jats:italic>ng</jats:italic>∈ Σ<jats:sub><jats:italic>n</jats:italic></jats:sub>(<jats:italic>S</jats:italic>) for every term<jats:italic>g</jats:italic>in<jats:italic>S</jats:italic>whose multiplicity is at least<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="gif" xlink:type="simple" xlink:href="S0963548315000255_inline1" /><jats:tex-math>${\mathsf h}$</jats:tex-math></jats:alternatives></jats:inline-formula>(<jats:italic>S</jats:italic>) − 1 or |Σ<jats:italic><jats:sub>n</jats:sub></jats:italic>(<jats:italic>S</jats:italic>)| ⩾ min{<jats:italic>n</jats:italic>+ 1, |<jats:italic>S</jats:italic>| −<jats:italic>n</jats:italic>+ | supp (<jats:italic>S</jats:italic>)| − 1}, where |supp(<jats:italic>S</jats:italic>)| denotes the number of distinct terms that occur in<jats:italic>S</jats:italic>. When<jats:italic>G</jats:italic>is finite cyclic and<jats:italic>n</jats:italic>= |<jats:italic>G</jats:italic>|, this confirms a conjecture of Y. O. Hamidoune from 2003.</jats:p> |
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author | GAO, WEIDONG, GRYNKIEWICZ, DAVID J., XIA, XINGWU |
author_facet | GAO, WEIDONG, GRYNKIEWICZ, DAVID J., XIA, XINGWU, GAO, WEIDONG, GRYNKIEWICZ, DAVID J., XIA, XINGWU |
author_sort | gao, weidong |
container_issue | 3 |
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container_title | Combinatorics, Probability and Computing |
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description | <jats:p>Let<jats:italic>G</jats:italic>be an additive abelian group, let<jats:italic>n</jats:italic>⩾ 1 be an integer, let<jats:italic>S</jats:italic>be a sequence over<jats:italic>G</jats:italic>of length |<jats:italic>S</jats:italic>| ⩾<jats:italic>n</jats:italic>+ 1, and let<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="gif" xlink:type="simple" xlink:href="S0963548315000255_inline1" /><jats:tex-math>${\mathsf h}$</jats:tex-math></jats:alternatives></jats:inline-formula>(<jats:italic>S</jats:italic>) denote the maximum multiplicity of a term in<jats:italic>S</jats:italic>. Let Σ<jats:italic><jats:sub>n</jats:sub></jats:italic>(<jats:italic>S</jats:italic>) denote the set consisting of all elements in<jats:italic>G</jats:italic>which can be expressed as the sum of terms from a subsequence of<jats:italic>S</jats:italic>having length<jats:italic>n</jats:italic>. In this paper, we prove that either<jats:italic>ng</jats:italic>∈ Σ<jats:sub><jats:italic>n</jats:italic></jats:sub>(<jats:italic>S</jats:italic>) for every term<jats:italic>g</jats:italic>in<jats:italic>S</jats:italic>whose multiplicity is at least<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="gif" xlink:type="simple" xlink:href="S0963548315000255_inline1" /><jats:tex-math>${\mathsf h}$</jats:tex-math></jats:alternatives></jats:inline-formula>(<jats:italic>S</jats:italic>) − 1 or |Σ<jats:italic><jats:sub>n</jats:sub></jats:italic>(<jats:italic>S</jats:italic>)| ⩾ min{<jats:italic>n</jats:italic>+ 1, |<jats:italic>S</jats:italic>| −<jats:italic>n</jats:italic>+ | supp (<jats:italic>S</jats:italic>)| − 1}, where |supp(<jats:italic>S</jats:italic>)| denotes the number of distinct terms that occur in<jats:italic>S</jats:italic>. When<jats:italic>G</jats:italic>is finite cyclic and<jats:italic>n</jats:italic>= |<jats:italic>G</jats:italic>|, this confirms a conjecture of Y. O. Hamidoune from 2003.</jats:p> |
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imprint | Cambridge University Press (CUP), 2016 |
imprint_str_mv | Cambridge University Press (CUP), 2016 |
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physical | 419-435 |
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spelling | GAO, WEIDONG GRYNKIEWICZ, DAVID J. XIA, XINGWU 0963-5483 1469-2163 Cambridge University Press (CUP) Applied Mathematics Computational Theory and Mathematics Statistics and Probability Theoretical Computer Science http://dx.doi.org/10.1017/s0963548315000255 <jats:p>Let<jats:italic>G</jats:italic>be an additive abelian group, let<jats:italic>n</jats:italic>⩾ 1 be an integer, let<jats:italic>S</jats:italic>be a sequence over<jats:italic>G</jats:italic>of length |<jats:italic>S</jats:italic>| ⩾<jats:italic>n</jats:italic>+ 1, and let<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="gif" xlink:type="simple" xlink:href="S0963548315000255_inline1" /><jats:tex-math>${\mathsf h}$</jats:tex-math></jats:alternatives></jats:inline-formula>(<jats:italic>S</jats:italic>) denote the maximum multiplicity of a term in<jats:italic>S</jats:italic>. Let Σ<jats:italic><jats:sub>n</jats:sub></jats:italic>(<jats:italic>S</jats:italic>) denote the set consisting of all elements in<jats:italic>G</jats:italic>which can be expressed as the sum of terms from a subsequence of<jats:italic>S</jats:italic>having length<jats:italic>n</jats:italic>. In this paper, we prove that either<jats:italic>ng</jats:italic>∈ Σ<jats:sub><jats:italic>n</jats:italic></jats:sub>(<jats:italic>S</jats:italic>) for every term<jats:italic>g</jats:italic>in<jats:italic>S</jats:italic>whose multiplicity is at least<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="gif" xlink:type="simple" xlink:href="S0963548315000255_inline1" /><jats:tex-math>${\mathsf h}$</jats:tex-math></jats:alternatives></jats:inline-formula>(<jats:italic>S</jats:italic>) − 1 or |Σ<jats:italic><jats:sub>n</jats:sub></jats:italic>(<jats:italic>S</jats:italic>)| ⩾ min{<jats:italic>n</jats:italic>+ 1, |<jats:italic>S</jats:italic>| −<jats:italic>n</jats:italic>+ | supp (<jats:italic>S</jats:italic>)| − 1}, where |supp(<jats:italic>S</jats:italic>)| denotes the number of distinct terms that occur in<jats:italic>S</jats:italic>. When<jats:italic>G</jats:italic>is finite cyclic and<jats:italic>n</jats:italic>= |<jats:italic>G</jats:italic>|, this confirms a conjecture of Y. O. Hamidoune from 2003.</jats:p> On<i>n</i>-Sums in an Abelian Group Combinatorics, Probability and Computing |
spellingShingle | GAO, WEIDONG, GRYNKIEWICZ, DAVID J., XIA, XINGWU, Combinatorics, Probability and Computing, Onn-Sums in an Abelian Group, Applied Mathematics, Computational Theory and Mathematics, Statistics and Probability, Theoretical Computer Science |
title | Onn-Sums in an Abelian Group |
title_full | Onn-Sums in an Abelian Group |
title_fullStr | Onn-Sums in an Abelian Group |
title_full_unstemmed | Onn-Sums in an Abelian Group |
title_short | Onn-Sums in an Abelian Group |
title_sort | on<i>n</i>-sums in an abelian group |
title_unstemmed | Onn-Sums in an Abelian Group |
topic | Applied Mathematics, Computational Theory and Mathematics, Statistics and Probability, Theoretical Computer Science |
url | http://dx.doi.org/10.1017/s0963548315000255 |