Timeline for Semiring naturally associated to any monoid?
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 11, 2016 at 0:07 | comment | added | Michał Masny | When you do $\Bbb B[M]$, you get the "finitary power semiring" of $M$, that is the set of all finite subsets of $M$ with the set-theoretic union as the additive operation and $AB=\{ab|a\in A,b\in B\}$ as the multiplication. $\Bbb B$ means $(\{0,1\}, \vee,\wedge)$ here. | |
| Feb 21, 2013 at 19:30 | comment | added | Mike Battaglia | Thanks for correcting the error, Noah, I hadn't realized that. Also, aha, never thought this could be viewed as a simple monoid generalization of the group ring! Thanks for that. | |
| Feb 21, 2013 at 19:29 | vote | accept | Mike Battaglia | ||
| Feb 21, 2013 at 16:36 | comment | added | Benjamin Steinberg | I think it is more or less always called by this name except for by people who say "rig" instead of semiring. | |
| Feb 21, 2013 at 13:43 | history | answered | Noah Stein | CC BY-SA 3.0 |