Question

Proving that the following sum is bounded above by a some of exponentials

score 26 · Answer 1 · 2022-07-02 19:17:50

26

Views

Proving that the following sum is bounded above by a some of exponentials

Published on 02 Jul 2022 - 19:17

score 93 · Answer 2 · 2022-07-05 19:04:23

93

Views

Upper bound $a^k + (1-a)^k$

Published on 05 Jul 2022 - 19:04

score 79 · Answer 3 · 2022-07-06 12:29:33

79

Views

Determining if $\displaystyle (a_n)_{n \in \mathbb{N}}$ is bounded if $\displaystyle\sum_{n=1}^\infty \frac{a_n}{n} <\infty$.

Published on 06 Jul 2022 - 12:29

score 68 · Answer 4 · 2022-07-09 00:27:00

68

Views

$a_{n+1}=(a_n+c)/(1-a_nc)$. Is it possible to make $a_0, a_1, \cdots, a_{i-1}$ positive and $a_{i}$ negative for $\forall i$?

Published on 09 Jul 2022 - 0:27

score 216 · Answer 5 · 2026-04-02 12:21:43

216

Views

Linear upper bound for function involving Lambert W

Published on 02 Apr 2026 - 12:21

score 133 · Answer 6 · 2026-03-26 01:23:40

133

Views

Bounding $x_{0}$ in solutions to Diophantine equation $\left(\sum_{i=1}^{n} x_{i}\right)^{2} = x_{0}\prod_{i=1}^{n}x_{i}$

Published on 26 Mar 2026 - 1:23

score 44 · Answer 7 · 2022-07-10 08:29:01

44

Views

Upper Bound Question

Published on 10 Jul 2022 - 8:29

score 265 · Answer 8 · 2026-04-01 05:34:43

265

Views

Determine the largest possible value of $|f(1/2)|$ and give an example of a function $f$ that attains your upper bound.

Published on 01 Apr 2026 - 5:34

score 242 · Answer 9 · 2026-03-28 18:14:14

242

Views

Upper bound on operator norm $\lVert \mathbf{A} \rVert_{\infty,1}$?

Published on 28 Mar 2026 - 18:14

score 59 · Answer 10 · 2026-04-05 22:16:27

59

Views

A particular tight frame system

Published on 05 Apr 2026 - 22:16

score 61 · Answer 11 · 2022-07-13 09:32:49

61

Views

Combinatorial identity for "half of Vandermonde identity"

Published on 13 Jul 2022 - 9:32

score 40 · Answer 12 · 2022-07-13 11:12:29

40

Views

Lower bound on all pairwise dot products on a set of vectors

Published on 13 Jul 2022 - 11:12

score 74 · Answer 13 · 2026-03-26 08:07:29

74

Views

Prove that $\int_0^1 e^{-tu}(1-u)^{\alpha}du\leq t^{-1}$ for $\alpha,t>0$

Published on 26 Mar 2026 - 8:07

score 168 · Answer 14 · 2026-04-01 07:20:41

168

Views

Suppose $f(z)$ is analytic on $\mathbb{C}\setminus\{0\}$ and $|f(z)| \leq |z|^{5/2} + |z|^{-1/2}$ for all $z\in \mathbb{C}\setminus\{0\}$...

Published on 01 Apr 2026 - 7:20

score 48 · Answer 15 · 2022-07-15 04:03:11

48

Views

Proof of x-coordinates of inflection point is $~\mu\pm\sigma~$ of probability density function of a normal distribution.

Published on 15 Jul 2022 - 4:03

List Question

Proving that the following sum is bounded above by a some of exponentials

Upper bound $a^k + (1-a)^k$

Determining if $\displaystyle (a_n)_{n \in \mathbb{N}}$ is bounded if $\displaystyle\sum_{n=1}^\infty \frac{a_n}{n} <\infty$.

$a_{n+1}=(a_n+c)/(1-a_nc)$. Is it possible to make $a_0, a_1, \cdots, a_{i-1}$ positive and $a_{i}$ negative for $\forall i$?

Linear upper bound for function involving Lambert W

Bounding $x_{0}$ in solutions to Diophantine equation $\left(\sum_{i=1}^{n} x_{i}\right)^{2} = x_{0}\prod_{i=1}^{n}x_{i}$

Upper Bound Question

Determine the largest possible value of $|f(1/2)|$ and give an example of a function $f$ that attains your upper bound.

Upper bound on operator norm $\lVert \mathbf{A} \rVert_{\infty,1}$?

A particular tight frame system

Combinatorial identity for "half of Vandermonde identity"

Lower bound on all pairwise dot products on a set of vectors

Prove that $\int_0^1 e^{-tu}(1-u)^{\alpha}du\leq t^{-1}$ for $\alpha,t>0$

Suppose $f(z)$ is analytic on $\mathbb{C}\setminus\{0\}$ and $|f(z)| \leq |z|^{5/2} + |z|^{-1/2}$ for all $z\in \mathbb{C}\setminus\{0\}$...

Proof of x-coordinates of inflection point is $~\mu\pm\sigma~$ of probability density function of a normal distribution.

Trending Questions

Popular # Hahtags

Popular Questions