Timeline for An inequality on concave functions
Current License: CC BY-SA 3.0
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May 31, 2011 at 12:43 | comment | added | user11870 | I just found that this proof is wrong since $[(\log\circ f)(tx)]'$ is different from $(\log\circ f)'(tx)$. So, anyone can help? Thanks! | |
May 29, 2011 at 15:09 | history | answered | user11870 | CC BY-SA 3.0 |