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 |