Timeline for Are polynomials with only real zeros log concave functions?
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
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| May 4, 2017 at 21:41 | vote | accept | user_lambda | ||
| May 4, 2017 at 16:56 | answer | added | Alexandre Eremenko | timeline score: 7 | |
| May 4, 2017 at 16:47 | history | edited | user_lambda | CC BY-SA 3.0 |
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| May 4, 2017 at 16:37 | history | edited | user_lambda | CC BY-SA 3.0 |
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| May 4, 2017 at 16:28 | comment | added | Mikhail Katz | $\log( (x-a)(x-b))=\log(x-a)+\log(x-b)$ and sum of concave functions is concave, but you have to be careful about the domain. | |
| May 4, 2017 at 16:26 | comment | added | Igor Rivin | What does the question mean? If a polynomial has a real zero, it is generally negative on parts of the real line... | |
| May 4, 2017 at 16:26 | comment | added | Wojowu | Such polynomials aren't even positive functions, so what is meant with log-convexity? | |
| May 4, 2017 at 16:19 | history | asked | user_lambda | CC BY-SA 3.0 |