Question

Upper and lower bounds for the sum of the series of functions $\sum_{n=1}^\infty\frac{c_n}{(x+1)^n}$, $x\geq0$.

score 40 · Answer 1 · 2021-05-26 11:19:44

40

Views

Upper and lower bounds for the sum of the series of functions $\sum_{n=1}^\infty\frac{c_n}{(x+1)^n}$, $x\geq0$.

Published on 26 May 2021 - 11:19

score 122 · Answer 2 · 2026-02-23 06:36:34

122

Views

Elementary method to prove that $|\overline B_{2n}(x)|\le|B_{2n}|$?

Published on 23 Feb 2026 - 6:36

score 83 · Answer 3 · 2021-05-27 10:37:29

83

Views

Lower bounds on eigenvalues guaranteeing positive-definiteness

Published on 27 May 2021 - 10:37

score 355 · Answer 4 · 2021-05-27 19:27:06

355

Views

Walter Rudin Theorem 1.20 (a) Proof

Published on 27 May 2021 - 19:27

score 31 · Answer 5 · 2026-03-27 12:03:06

31

Views

Are there compare-based sorting algorithms that are faster than n lg(n) by some constant factor?

Published on 27 Mar 2026 - 12:03

score 693 · Answer 6 · 2021-05-28 14:46:20

693

Views

Why use exponentials in the Markov inequality?

Published on 28 May 2021 - 14:46

score 162 · Answer 7 · 2026-02-23 09:30:43

162

Views

Establishing a lower bound with integers $m,n$ for $2^m - 3^n$ when $2^m > 3^n$

Published on 23 Feb 2026 - 9:30

score 36 · Answer 8 · 2021-05-31 08:34:16

36

Views

How can one show that the map $t \mapsto \sum_{n \in \mathbb Z} e^{-a|n|}e^{-b(t-n)^2}$ is upper bounded by $Ce^{-c|t|}$ for some $C,c>0$?

Published on 31 May 2021 - 8:34

score 120 · Answer 9 · 2021-05-31 11:27:19

120

Views

How to prove this trig inequality?

Published on 31 May 2021 - 11:27

score 69 · Answer 10 · 2021-05-31 23:51:08

69

Views

On proving a bound in $\mathbb Z[\sqrt 2]$

Published on 31 May 2021 - 23:51

score 315 · Answer 11 · 2026-03-29 17:31:33

315

Views

Convergence of the matrix elements in a random matrix

Published on 29 Mar 2026 - 17:31

score 70 · Answer 12 · 2021-06-03 20:12:17

70

Views

Is $s(n) = \sum_{i=0}^{n-1} \frac{\alpha^i}{(n-i)^\beta}$ decreasing in $n$?

Published on 03 Jun 2021 - 20:12

score 466 · Answer 13 · 2021-06-04 22:26:01

466

Views

Find the best upper bound on the probability that I catch at least 5 salmon given that the total number of fish I catch is 10 on average

Published on 04 Jun 2021 - 22:26

score 381 · Answer 14 · 2021-06-06 05:04:51

381

Views

Using Chernoff's Bound on a Poisson distribution

Published on 06 Jun 2021 - 5:04

score 94 · Answer 15 · 2021-06-06 11:44:16

94

Views

What are the current lower bounds on inconsistency of ZFC?

Published on 06 Jun 2021 - 11:44

List Question

Upper and lower bounds for the sum of the series of functions $\sum_{n=1}^\infty\frac{c_n}{(x+1)^n}$, $x\geq0$.

Elementary method to prove that $|\overline B_{2n}(x)|\le|B_{2n}|$?

Lower bounds on eigenvalues guaranteeing positive-definiteness

Walter Rudin Theorem 1.20 (a) Proof

Are there compare-based sorting algorithms that are faster than n lg(n) by some constant factor?

Why use exponentials in the Markov inequality?

Establishing a lower bound with integers $m,n$ for $2^m - 3^n$ when $2^m > 3^n$

How can one show that the map $t \mapsto \sum_{n \in \mathbb Z} e^{-a|n|}e^{-b(t-n)^2}$ is upper bounded by $Ce^{-c|t|}$ for some $C,c>0$?

How to prove this trig inequality?

On proving a bound in $\mathbb Z[\sqrt 2]$

Convergence of the matrix elements in a random matrix

Is $s(n) = \sum_{i=0}^{n-1} \frac{\alpha^i}{(n-i)^\beta}$ decreasing in $n$?

Find the best upper bound on the probability that I catch at least 5 salmon given that the total number of fish I catch is 10 on average

Using Chernoff's Bound on a Poisson distribution

What are the current lower bounds on inconsistency of ZFC?

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