Timeline for "Star" of a CW-complex
Current License: CC BY-SA 4.0
5 events
when toggle format | what | by | license | comment | |
---|---|---|---|---|---|
Mar 13 at 15:11 | comment | added | brattok | @HenrikRüping Thank you for the example but will this be still false for the star with punctured zero cell? | |
Mar 13 at 14:26 | history | edited | gmvh | CC BY-SA 4.0 |
Improved grammar and spelling
|
Mar 13 at 14:10 | comment | added | HenrikRüping | No. In a CW-complex you can attach cells in a weird way. For example, take S^1 (with one zero cell and one one-cell) and attach a two cell by sending S^1 to one interior point of the one-cell). Then the star of the zero cell would be S^1, which is not open. | |
S Mar 13 at 13:31 | review | First questions | |||
Mar 13 at 14:26 | |||||
S Mar 13 at 13:31 | history | asked | brattok | CC BY-SA 4.0 |