meager
A meager or Baire first category set in a topological space
is one which is a countable union of nowhere dense sets. A Baire second category set is one which contains a countable union of open and dense sets.
| Title | meager |
|---|---|
| Canonical name | Meager |
| Date of creation | 2013-03-22 13:12:57 |
| Last modified on | 2013-03-22 13:12:57 |
| Owner | Koro (127) |
| Last modified by | Koro (127) |
| Numerical id | 8 |
| Author | Koro (127) |
| Entry type | Definition |
| Classification | msc 54E52 |
| Synonym | meagre |
| Synonym | first category |
| Synonym | second category |
| Related topic | BaireCategoryTheorem |