Shelah Ultrafilters
Fuente:
arXiv
Guardado en:
| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866914189249871872 |
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| author | Balderas, Emmanuel Chodounský, David Guzmán, Osvaldo |
| author_facet | Balderas, Emmanuel Chodounský, David Guzmán, Osvaldo |
| contents | In this paper, we study a special type of ultrafilter which we call Shelah ultrafilter. We show that it is possible to add a Shelah ultrafilter using a special forcing notion. We also show that Shelah ultrafilters turn out to be I-ultrafilters for many Borel ideals. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_08081 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Shelah Ultrafilters Balderas, Emmanuel Chodounský, David Guzmán, Osvaldo Logic In this paper, we study a special type of ultrafilter which we call Shelah ultrafilter. We show that it is possible to add a Shelah ultrafilter using a special forcing notion. We also show that Shelah ultrafilters turn out to be I-ultrafilters for many Borel ideals. |
| title | Shelah Ultrafilters |
| topic | Logic |
| url | https://arxiv.org/abs/2512.08081 |