Timeline for How to prove Lambert's W function is not elementary?
Current License: CC BY-SA 4.0
9 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 26, 2022 at 12:54 | comment | added | Тyma Gaidash | I wonder why the Product Log is in the elementary section of Wolfram functions. | |
| Mar 13, 2020 at 20:12 | history | edited | YCor |
edited tags
|
|
| Mar 13, 2020 at 17:39 | history | edited | Manfred Weis | CC BY-SA 4.0 |
fixed a typo
|
| Feb 25, 2017 at 22:22 | comment | added | reuns | I would try to show elementary functions cannot have a branch point with such properties as $W(z)$ | |
| Feb 25, 2017 at 17:11 | answer | added | IV_ | timeline score: 15 | |
| Jul 6, 2013 at 12:05 | vote | accept | Feldmann Denis | ||
| Jul 6, 2013 at 10:47 | answer | added | Igor Khavkine | timeline score: 30 | |
| Jul 6, 2013 at 9:44 | comment | added | Igor Khavkine | Well, $W(z)$ does satisfy a differential equation, $z W'(z) = \frac{W(z)}{1+W(z)}$. So one could still pose this as a question in differential Galois theory. Unfortunately, this equation is non-linear, which makes it rather complicated. | |
| Jul 6, 2013 at 8:15 | history | asked | Feldmann Denis | CC BY-SA 3.0 |