List questions from upper-lower-bounds

Published on 26 Mar 2026 - 9:06

62

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Simplifying the equation to find $m$

Published on 03 Sep 2019 - 4:29

90

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Majoring sum with factorials

Published on 27 Mar 2026 - 8:40

2k

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Chernoff Bound for Normal Distribution

Published on 03 Sep 2019 - 17:45

189

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upper bounds for $\int_a^{b} \frac{\exp(x)}{x}\ dx$

Published on 25 Mar 2026 - 23:36

83

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Can we prove that "$x^2+1$ is prime infinitely often" must be provable or disprovable?

Published on 23 Feb 2026 - 4:59

260

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Asymptotic behavior of number of triples $i,j,k\le n$ with pairwise bounded least common multiples each $\le n$.

Published on 27 Mar 2026 - 16:17

138

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A reverse Azuma's inequality for martingale

Published on 29 Mar 2026 - 5:11

468

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Sharper upper bound for remainder term of $P_2(x)$ of $ e^x\cos(x)$

Published on 08 Sep 2019 - 20:26

681

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How can I find upper and lower bounds for the summation $\sum_{i=1}^{n}i^{\sqrt{i}}$

Published on 08 Sep 2019 - 23:25

97

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Squeeze Theorem - Finding the limit of $\sum_{k=1}^{n} \frac{n}{n^2+k}$

Published on 09 Sep 2019 - 3:01

57

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Estimating $ f(N) = \sum_{m\in \mathbb{Z}} H_{m-N}^{(1)}(x) J_m(y)$ when $N$ is large?

Published on 28 Mar 2026 - 4:43

471

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Find the infimum and supremum of the set $S = \big\{ \tfrac1x - \tfrac1y:\, x,y \in \Bbb N \big\}$

Published on 09 Sep 2019 - 20:12

54

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Harmonic Sum Associated with a Partition

Published on 14 Sep 2019 - 10:58

73

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Let $A = ${$r \in \mathbb Q :\, \sqrt3 < r \le 5 \}$. What is the $\inf A$ and $\sup A$?

Published on 17 Sep 2019 - 20:33

List Question

Matrix exponential bound

Simplifying the equation to find $m$

Majoring sum with factorials

Chernoff Bound for Normal Distribution

upper bounds for $\int_a^{b} \frac{\exp(x)}{x}\ dx$

Can we prove that "$x^2+1$ is prime infinitely often" must be provable or disprovable?

Asymptotic behavior of number of triples $i,j,k\le n$ with pairwise bounded least common multiples each $\le n$.

A reverse Azuma's inequality for martingale

Sharper upper bound for remainder term of $P_2(x)$ of $ e^x\cos(x)$

How can I find upper and lower bounds for the summation $\sum_{i=1}^{n}i^{\sqrt{i}}$

Squeeze Theorem - Finding the limit of $\sum_{k=1}^{n} \frac{n}{n^2+k}$

Estimating $ f(N) = \sum_{m\in \mathbb{Z}} H_{m-N}^{(1)}(x) J_m(y)$ when $N$ is large?

Find the infimum and supremum of the set $S = \big\{ \tfrac1x - \tfrac1y:\, x,y \in \Bbb N \big\}$

Harmonic Sum Associated with a Partition

Let $A = ${$r \in \mathbb Q :\, \sqrt3 < r \le 5 \}$. What is the $\inf A$ and $\sup A$?

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