Timeline for "Closed-form" functions with half-exponential growth
Current License: CC BY-SA 2.5
8 events
| when toggle format | what | by | license | comment | |
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| Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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| Jan 15, 2017 at 22:28 | comment | added | H. Tomasz Grzybowski | Smoothness may not be a sufficient regularity condition. I would like to suggest a further condition that a smooth function should satisfy: every derivative should be strictly monotonic. H. Tomasz Grzybowski e-mail: [email protected] | |
| Dec 7, 2010 at 22:36 | answer | added | John Sidles | timeline score: 15 | |
| Nov 10, 2010 at 2:15 | comment | added | Anixx | What are you asking for is just to find an elementary function with the cited properties. Any elementary function can be expressed by composition of the operations +, -, *, /, exp, and log, together with arbitrary real constants and the opposite: any combination thereof is an elementary function by definition. No need to invoke the term "closed form". | |
| Nov 9, 2010 at 21:23 | vote | accept | Scott Aaronson | ||
| Nov 9, 2010 at 19:35 | comment | added | Gerald Edgar | The remark can't even be analytic needs explanation. "Analytic in the whole complex plane" is, indeed, ruled out. But in fact $\log x$ "can't even be analytic" in that sense... | |
| Nov 9, 2010 at 19:30 | answer | added | Gerald Edgar | timeline score: 45 | |
| Nov 9, 2010 at 18:51 | history | asked | Scott Aaronson | CC BY-SA 2.5 |