Skip to main content
6 events
when toggle format what by license comment
S Jun 11, 2023 at 14:38 history suggested Subhasish Mukherjee CC BY-SA 4.0
Fixed a small typo in the definition of functionally open
Jun 11, 2023 at 14:18 review Suggested edits
S Jun 11, 2023 at 14:38
Jun 11, 2023 at 14:10 comment added Taras Banakh The standard textbook where this is discussed in "General Topology" of Engelking. Spaces in which all open sets are functionally open are called perfectly normal.
Jun 11, 2023 at 13:58 comment added Subhasish Mukherjee Excellent, thank you very much. Do you have any references that discuss this concept further and there are perhaps similar results? Are there any conditions on a space that can guarantee that all open sets are functionally open?
Jun 11, 2023 at 13:56 vote accept Subhasish Mukherjee
Jun 10, 2023 at 17:35 history answered Taras Banakh CC BY-SA 4.0