List questions from functional-inequalities

Published on 30 May 2016 - 1:45

125

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A sufficient condition on $C^1$ positive functions for $f(x+y)<f(x)+f(y)$

Published on 03 Jun 2016 - 17:45

51

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For what value of $x$: $ n^ {(x+1)} + n^ {2x} < n^2$ ? Where, $0\leq x <1$ and $n$ is constant integer value & $n>1$.

Published on 05 Jun 2016 - 8:58

281

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Kind of Gronwall Inequality

Published on 23 Feb 2026 - 6:59

81

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Proof of $\Gamma(x)\Gamma\left(\dfrac{1}{x}\right)\gt 1$

Published on 14 Jun 2016 - 9:50

228

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Functional inequality $\sum_{1\le i<j\le n}f(x_i+x_j)\ge \frac{n(n-1)}{2}f(a_1x_1+a_2x_2+...+a_nx_n)$

Published on 22 Jun 2016 - 20:33

92

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As a reviewer of a math manuscript do you accept graph of a function as a proof for an inequality?

Published on 04 Jul 2016 - 4:10

1.3k

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Increasing rearrangement and Hardy-Littlewood inequality

Published on 22 Mar 2026 - 16:06

117

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Find all functions $f \colon \Bbb R \rightarrow \Bbb R $ that satisfy.....

Published on 16 Apr 2013 - 14:08

1.7k

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How to use the Mean Value Theorem to find the "Contraction Constant"

Published on 01 May 2013 - 16:57

295

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A functional equation with inequality

Published on 06 Jun 2013 - 19:11

100

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Does this function have a (global) minimum?

Published on 08 Jun 2013 - 6:28

133

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Does this inequality have any solutions in $\mathbb{N}$?

Published on 08 Jun 2013 - 12:40

79

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Does this inequality have any solutions for composite $n \in \mathbb{N}$?

Published on 09 Jun 2013 - 6:51

138

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Does $1 + \frac{1}{x} + \frac{1}{x^2}$ have a global minimum, where $x \in \mathbb{R}$?

Published on 13 Jun 2013 - 17:53

List Question

How to Prove that this Function is Constant?

A sufficient condition on $C^1$ positive functions for $f(x+y)<f(x)+f(y)$

For what value of $x$: $ n^ {(x+1)} + n^ {2x} < n^2$ ? Where, $0\leq x <1$ and $n$ is constant integer value & $n>1$.

Kind of Gronwall Inequality

Proof of $\Gamma(x)\Gamma\left(\dfrac{1}{x}\right)\gt 1$

Functional inequality $\sum_{1\le i<j\le n}f(x_i+x_j)\ge \frac{n(n-1)}{2}f(a_1x_1+a_2x_2+...+a_nx_n)$

As a reviewer of a math manuscript do you accept graph of a function as a proof for an inequality?

Increasing rearrangement and Hardy-Littlewood inequality

Find all functions $f \colon \Bbb R \rightarrow \Bbb R $ that satisfy.....

How to use the Mean Value Theorem to find the "Contraction Constant"

A functional equation with inequality

Does this function have a (global) minimum?

Does this inequality have any solutions in $\mathbb{N}$?

Does this inequality have any solutions for composite $n \in \mathbb{N}$?

Does $1 + \frac{1}{x} + \frac{1}{x^2}$ have a global minimum, where $x \in \mathbb{R}$?

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