Timeline for Stone–Čech compactification as a semigroup
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 30, 2022 at 17:26 | vote | accept | Serge the Toaster | ||
| Aug 22, 2022 at 5:06 | history | became hot network question | |||
| Aug 21, 2022 at 23:37 | answer | added | Benjamin Steinberg | timeline score: 10 | |
| Aug 21, 2022 at 21:56 | comment | added | Benjamin Steinberg | The nonpricipal ultrafilters form a two sided ideal for any cancellative semigroup. See chapter 4 of Hindman and Strauss's book on Algebra in the Stone Cech compactification | |
| Aug 21, 2022 at 21:54 | comment | added | Benjamin Steinberg | No element outside of G is left or right invertible if G is discrete. | |
| Aug 21, 2022 at 21:11 | history | edited | LSpice | CC BY-SA 4.0 |
Cech -> Čech
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| Aug 21, 2022 at 21:05 | history | asked | Serge the Toaster | CC BY-SA 4.0 |