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seen Dec 18 '12 at 3:05

Jun
27
awarded  Nice Question
Mar
18
awarded  Notable Question
Oct
25
awarded  Popular Question
Dec
15
accepted The inequality about convex function and increasing convex function
Dec
15
awarded  Scholar
Dec
15
accepted Find the upper and lower limits of $xf(x)$, as $x\rightarrow \infty$
Dec
15
revised Find the upper and lower limits of $xf(x)$, as $x\rightarrow \infty$
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Dec
15
comment Find the upper and lower limits of $xf(x)$, as $x\rightarrow \infty$
@leo: I changed variables and calculated it using integration by parts.
Dec
15
awarded  Editor
Dec
15
revised Find the upper and lower limits of $xf(x)$, as $x\rightarrow \infty$
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Dec
15
asked Find the upper and lower limits of $xf(x)$, as $x\rightarrow \infty$
Dec
14
comment The inequality about convex function and increasing convex function
Then this is true? : Since $g$ is increasing, $g(f(\lambda x+(1-\lambda)y)) \le g(\lambda f(x)+(1-\lambda)f(y))$.
Dec
14
asked The inequality about convex function and increasing convex function
Dec
14
awarded  Student
Dec
14
asked Proof of “every convex function is continuous”