Question

Bound for the norm of expectation of positive semi-definite operators composition

score 221 · Answer 1 · 2026-03-30 07:59:53

221

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Bound for the norm of expectation of positive semi-definite operators composition

Published on 30 Mar 2026 - 7:59

score 57 · Answer 2 · 2021-07-13 08:48:10

57

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Creating inequalities and Bounds

Published on 13 Jul 2021 - 8:48

score 520 · Answer 3 · 2026-03-27 16:17:30

520

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Does the following lower bound improve on $I(q^k) + I(n^2) > 3 - \frac{q-2}{q(q-1)}$, where $q^k n^2$ is an odd perfect number? - Part II

Published on 27 Mar 2026 - 16:17

score 35 · Answer 4 · 2026-02-23 10:20:46

35

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$\overline{C^{\infty}}^{||\cdot||_{\alpha}} \neq C^{\alpha}$; lower bound of $ \frac{|(s-\delta/2)^{\alpha} - s^{\alpha}|}{(\delta/2)^{\alpha}}$

Published on 23 Feb 2026 - 10:20

score 1k · Answer 5 · 2026-04-01 04:42:15

1k

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Understanding Global Lower and Upper Bounds for branch and Bound

Published on 01 Apr 2026 - 4:42

score 116 · Answer 6 · 2021-07-14 06:50:55

116

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Convergence of $\sum_{n=2}^{\infty}\frac{1}{nQ(n)^{\lambda}}$

Published on 14 Jul 2021 - 6:50

score 77 · Answer 7 · 2026-03-27 16:17:31

77

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On the sum $I(q^k) + I(n^2)$, where $q^k n^2$ is an odd perfect number with special prime $q$

Published on 27 Mar 2026 - 16:17

score 19 · Answer 8 · 2021-07-14 12:59:34

19

Views

Finding $g_i$ such that $f_i(n) = Θ(g_i(n))$

Published on 14 Jul 2021 - 12:59

score 55 · Answer 9 · 2021-07-14 20:46:40

55

Views

Find $a$ and $b$ such that $ax^b \ge cx + dx^k$ on $ x \in [x_0, x_1]$

Published on 14 Jul 2021 - 20:46

score 207 · Answer 10 · 2021-07-15 06:09:52

207

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Is binomial coefficient $\binom{n}{t}$ increasing in $t$

Published on 15 Jul 2021 - 6:09

score 71 · Answer 11 · 2026-03-27 16:17:30

71

Views

On the equation $\frac{1}{q}=1-\frac{\varphi(N)/N}{\varphi(n)/n}$, where $N=q^k n^2$ is an odd perfect number with special prime $q$

Published on 27 Mar 2026 - 16:17

score 134 · Answer 12 · 2026-04-06 12:16:08

134

Views

Bounding variance with mean for a $[0,1]$ random variable

Published on 06 Apr 2026 - 12:16

score 142 · Answer 13 · 2026-03-29 21:35:24

142

Views

Find bound for polynomial with binomial coefficients

Published on 29 Mar 2026 - 21:35

score 22 · Answer 14 · 2021-07-17 15:22:29

22

Views

Bounds on chain size for union-closed families

Published on 17 Jul 2021 - 15:22

score 725 · Answer 15 · 2021-07-18 14:35:55

725

Views

Show that $\sum_{k=2}^{n-1} k\log k\leq \frac12n^2\log n-\frac18n^2$ by splitting the summation into two parts.

Published on 18 Jul 2021 - 14:35

List Question

Bound for the norm of expectation of positive semi-definite operators composition

Creating inequalities and Bounds

Does the following lower bound improve on $I(q^k) + I(n^2) > 3 - \frac{q-2}{q(q-1)}$, where $q^k n^2$ is an odd perfect number? - Part II

$\overline{C^{\infty}}^{||\cdot||_{\alpha}} \neq C^{\alpha}$; lower bound of $ \frac{|(s-\delta/2)^{\alpha} - s^{\alpha}|}{(\delta/2)^{\alpha}}$

Understanding Global Lower and Upper Bounds for branch and Bound

Convergence of $\sum_{n=2}^{\infty}\frac{1}{nQ(n)^{\lambda}}$

On the sum $I(q^k) + I(n^2)$, where $q^k n^2$ is an odd perfect number with special prime $q$

Finding $g_i$ such that $f_i(n) = Θ(g_i(n))$

Find $a$ and $b$ such that $ax^b \ge cx + dx^k$ on $ x \in [x_0, x_1]$

Is binomial coefficient $\binom{n}{t}$ increasing in $t$

On the equation $\frac{1}{q}=1-\frac{\varphi(N)/N}{\varphi(n)/n}$, where $N=q^k n^2$ is an odd perfect number with special prime $q$

Bounding variance with mean for a $[0,1]$ random variable

Find bound for polynomial with binomial coefficients

Bounds on chain size for union-closed families

Show that $\sum_{k=2}^{n-1} k\log k\leq \frac12n^2\log n-\frac18n^2$ by splitting the summation into two parts.

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