Timeline for Semiring naturally associated to any monoid?
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Feb 21, 2013 at 21:51 | comment | added | Qiaochu Yuan | There is a forgetful functor from semirings to monoids given by taking the multiplicative monoid, and this construction is its left adjoint. Similar constructions give the group ring, group algebra, etc. | |
| Feb 21, 2013 at 19:29 | vote | accept | Mike Battaglia | ||
| Feb 21, 2013 at 19:13 | history | edited | Mike Battaglia | CC BY-SA 3.0 |
fixed error
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| Feb 21, 2013 at 17:47 | answer | added | Rob Myers | timeline score: 5 | |
| Feb 21, 2013 at 15:32 | comment | added | Salvo Tringali | But for the mistakes pointed out by Noah below, all of this (and much more) is found, e.g., in the 3rd chapter of Golan's Semirings and their Applications. | |
| Feb 21, 2013 at 13:43 | answer | added | Noah Stein | timeline score: 9 | |
| Feb 21, 2013 at 13:00 | history | asked | Mike Battaglia | CC BY-SA 3.0 |