Timeline for What do we call functions satisfying $[a[b]c] = [abc]$?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 2, 2017 at 5:27 | vote | accept | goblin GONE | ||
| Dec 30, 2016 at 1:30 | answer | added | Gerhard Paseman | timeline score: 0 | |
| Dec 30, 2016 at 0:57 | comment | added | HeinrichD | Another example is the additive monoid of ideals of a commutative ring and the operation of taking the radical: We have $\displaystyle\sqrt{I+J} = \sqrt{I+\sqrt{J}}$. Prop 1 tells us that there is an additive monoid of radical ideals, where the "radical sum" of two radical ideals $I,J$ is $\sqrt{I+J}$. | |
| Dec 30, 2016 at 0:54 | answer | added | HeinrichD | timeline score: 6 | |
| Dec 29, 2016 at 17:24 | comment | added | user44143 | Do you have examples in mind? E.g. [f]=f(0), [M]=det(M), [z]=|z|, [(x1,...xn)]=([x1],...[xn])? | |
| Dec 29, 2016 at 15:14 | history | asked | goblin GONE | CC BY-SA 3.0 |