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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2023
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2310.02020 |
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| _version_ | 1866913566542528512 |
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| author | De, Dibyendu Pal, Sujan Poddar, Jyotirmoy |
| author_facet | De, Dibyendu Pal, Sujan Poddar, Jyotirmoy |
| contents | Using the notions of Topological dynamics, H. Furstenberg defined central sets and proved the Central Sets Theorem. Later V. Bergelson and N. Hindman characterized central sets in terms of algebra of the Stone-Čech compactification of discrete semigroup. They found that central sets are the members of the minimal idempotents of \b{eta}S, the Stone-Čech compactification of a semigroup (S, .). Hindman and leader introduced the notion of Central set near zero algebraically. Later dynamical and combinatorial characterization have also been established. For any given filter F in S a set A is said to be a F- central set if it is a member of a minimal idempotent of a closed subsemigroup of \b{eta}S, generated by the filter F. In a recent article Bergelson, Hindman and Strauss introduced strongly central and very strongly central sets in [BHS]. They also dynamically characterized the sets in the same paper. In the present article we will characterize the strongly F- central sets dynamically and combinatorially. Here we introduce the filter version of strongly central sets and very strongly central sets. We also provide dynamical and combinatorial characterization of such sets. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2310_02020 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | A Study on Filter Version of Strongly Central Sets De, Dibyendu Pal, Sujan Poddar, Jyotirmoy Combinatorics Using the notions of Topological dynamics, H. Furstenberg defined central sets and proved the Central Sets Theorem. Later V. Bergelson and N. Hindman characterized central sets in terms of algebra of the Stone-Čech compactification of discrete semigroup. They found that central sets are the members of the minimal idempotents of \b{eta}S, the Stone-Čech compactification of a semigroup (S, .). Hindman and leader introduced the notion of Central set near zero algebraically. Later dynamical and combinatorial characterization have also been established. For any given filter F in S a set A is said to be a F- central set if it is a member of a minimal idempotent of a closed subsemigroup of \b{eta}S, generated by the filter F. In a recent article Bergelson, Hindman and Strauss introduced strongly central and very strongly central sets in [BHS]. They also dynamically characterized the sets in the same paper. In the present article we will characterize the strongly F- central sets dynamically and combinatorially. Here we introduce the filter version of strongly central sets and very strongly central sets. We also provide dynamical and combinatorial characterization of such sets. |
| title | A Study on Filter Version of Strongly Central Sets |
| topic | Combinatorics |
| url | https://arxiv.org/abs/2310.02020 |