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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2512.07711 |
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Table of Contents:
- We investigate the $σ$-porosity of certain known ideals of subsets of natural numbers. Porosity is a notion of smallness in metric spaces that is stronger than nowhere density. Analogously, $σ$-porosity is a strengthening of meagerness. In this paper, we verify which ideals are $σ$-porous.