Question

inequality proof involving natural logarithm

score 66 · Answer 1 · 2018-03-03 20:19:12

66

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inequality proof involving natural logarithm

Published on 03 Mar 2018 - 20:19

score 149 · Answer 2 · 2026-03-22 20:35:03

149

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A problem of proving that a certain concentration inequality cannot be improved

Published on 22 Mar 2026 - 20:35

score 470 · Answer 3 · 2018-03-04 03:51:18

470

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Prove that $\sum\limits_{k=1}^{n}\frac{|z_{k}|^2}{|z_{k+1}-z_{k}|^2}\ge 1$ for complex numbers $z_k$'s

Published on 04 Mar 2018 - 3:51

score 521 · Answer 4 · 2026-03-24 23:44:53

521

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prove $|X-Y|\le|X|+|Y|$

Published on 24 Mar 2026 - 23:44

score 505 · Answer 5 · 2026-03-27 01:46:56

505

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Minimum of $\sum\limits_{k=1}^n|z^2_k+1|$ given $\sum\limits_{k=1}^nz_k=0$

Published on 27 Mar 2026 - 1:46

score 142 · Answer 6 · 2026-03-25 04:43:36

142

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Let $a,b,c$ be positive reals. Find the minimum value of $P=\frac{a^2}{(a+b)^2}+\frac{b^2}{(b+c)^2}+\frac{c}{4a}$.

Published on 25 Mar 2026 - 4:43

score 58 · Answer 7 · 2026-03-29 19:11:40

58

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Proving $\|(1+\xi^2)^{-1/2} \partial^2 \hat{f}\|_2 \le C \|\|(1+\xi^2)^{-1/2} \hat{f}\|_2$ for $\mathrm{supp}(f) \subset [-R,R]$?

Published on 29 Mar 2026 - 19:11

score 36 · Answer 8 · 2026-03-28 08:08:10

36

Views

Checking my proof of some inequality

Published on 28 Mar 2026 - 8:08

score 23 · Answer 9 · 2026-03-27 06:09:15

23

Views

Partition a set of inequalities that represent a union of possible disjoint regions into a different set for each disjoint region

Published on 27 Mar 2026 - 6:09

score 45 · Answer 10 · 2018-03-04 23:37:04

45

Views

Explain the positive values of a term in an inequality

Published on 04 Mar 2018 - 23:37

score 84 · Answer 11 · 2018-03-05 00:35:10

84

Views

Proof of inequality involving sums in roots with n variables

Published on 05 Mar 2018 - 0:35

score 220 · Answer 12 · 2026-03-24 17:31:19

220

Views

maximum of the $\sum_{1\le i<j\le n}a_{i}a_{j}(x_{i}y_{j}-x_{j}y_{i})^2$

Published on 24 Mar 2026 - 17:31

score 561 · Answer 13 · 2026-03-23 13:45:34

561

Views

To establish an inequality using Chebyshev's probability bound

Published on 23 Mar 2026 - 13:45

score 450 · Answer 14 · 2026-03-25 15:39:22

450

Views

To show Hypergeometric Functions(1F2) positive.

Published on 25 Mar 2026 - 15:39

score 150 · Answer 15 · 2026-03-25 09:31:51

150

Views

Proof verification : Inequality involving moment generating function (MGF)

Published on 25 Mar 2026 - 9:31

List Question

inequality proof involving natural logarithm

A problem of proving that a certain concentration inequality cannot be improved

Prove that $\sum\limits_{k=1}^{n}\frac{|z_{k}|^2}{|z_{k+1}-z_{k}|^2}\ge 1$ for complex numbers $z_k$'s

prove $|X-Y|\le|X|+|Y|$

Minimum of $\sum\limits_{k=1}^n|z^2_k+1|$ given $\sum\limits_{k=1}^nz_k=0$

Let $a,b,c$ be positive reals. Find the minimum value of $P=\frac{a^2}{(a+b)^2}+\frac{b^2}{(b+c)^2}+\frac{c}{4a}$.

Proving $\|(1+\xi^2)^{-1/2} \partial^2 \hat{f}\|_2 \le C \|\|(1+\xi^2)^{-1/2} \hat{f}\|_2$ for $\mathrm{supp}(f) \subset [-R,R]$?

Checking my proof of some inequality

Partition a set of inequalities that represent a union of possible disjoint regions into a different set for each disjoint region

Explain the positive values of a term in an inequality

Proof of inequality involving sums in roots with n variables

maximum of the $\sum_{1\le i<j\le n}a_{i}a_{j}(x_{i}y_{j}-x_{j}y_{i})^2$

To establish an inequality using Chebyshev's probability bound

To show Hypergeometric Functions(1F2) positive.

Proof verification : Inequality involving moment generating function (MGF)

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