Ideals on countable sets: a survey with questions
An ideal on a set X is a collection of subsets of X closed under the operations of taking finite unions and subsets of its elements. Ideals are a very useful notion in topology and set theory and have been studied for a long time. We present a survey of results about ideals on countable sets and in...
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| Format: | Article |
| Language: | Spanish |
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Universidad Industrial de Santander
2019-02-01
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| Series: | Revista Integración |
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| Online Access: | https://revistas.uis.edu.co/index.php/revistaintegracion/article/view/9369 |