Timeline for Why semigroups could be important?
Current License: CC BY-SA 2.5
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 18, 2011 at 19:06 | comment | added | Michal Kotowski | I overlooked this answer while writing my own; Pin's book is a nice reference, thanks for mentioning it. | |
| Feb 18, 2011 at 18:49 | history | answered | mhum | CC BY-SA 2.5 |