List questions from upper-lower-bounds

Published on 03 Nov 2020 - 16:52

40

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The lower bound for the series $\sum_{k = 1}^{\infty} \frac{k (1 - \theta)^k}{k! \log^3 (c + k)}$.

Published on 04 Nov 2020 - 6:25

79

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How to prove there's an upper bound on a series

Published on 05 Nov 2020 - 8:00

243

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Is it possible to improve on the bound $D(q^k) < \varphi(q^k)$ if $k > 1$?

Published on 28 Mar 2026 - 12:14

83

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Suppose $f$ is bounded on $[a,c]$ and $a<b<c$ prove $\overline{\int_{a}^{c}}f = \overline{\int_{a}^{b}}f + \overline{\int_{b}^{c}}f$

Published on 01 Apr 2026 - 3:45

254

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Is Brownian Motion with Drift bounded from above?

Published on 30 Mar 2026 - 6:45

674

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Is this Stochastic Process bounded from above?

Published on 30 Mar 2026 - 6:48

20

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Lower bound for denominator of $\displaystyle \frac {a_1}{b_1} + \frac {a_2}{b_2}$ in terms of $b_1$ and $b_2$.

Published on 09 Nov 2020 - 22:35

413

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What is the difference between max/min and sup/inf.

Published on 12 Nov 2020 - 21:40

26

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Does the closure of bounded above subset of reals includes both infinimum and supremum?

Published on 13 Nov 2020 - 9:54

40

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Universal constant in upper bound for distribution of random walk

Published on 14 Nov 2020 - 0:31

266

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Upper function/bound for $y'(x)=x^3+y^3(x)$

Published on 14 Nov 2020 - 20:01

52

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Bound for $\Vert\sum_iA_i^\dagger A_i\Vert_\infty$ given that $\Vert\sum_i A_i\Vert_\infty$ is small

Published on 14 Nov 2020 - 20:12

31

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Are these functions in $L^{1}(\mathbb{R}^{d})$?

Published on 15 Nov 2020 - 17:22

360

Views

Showing a sequence of real numbers converges to a supremum

Published on 15 Nov 2020 - 19:35

List Question

A simple binomial inequality seeking its proof from the book?

The lower bound for the series $\sum_{k = 1}^{\infty} \frac{k (1 - \theta)^k}{k! \log^3 (c + k)}$.

How to prove there's an upper bound on a series

Is it possible to improve on the bound $D(q^k) < \varphi(q^k)$ if $k > 1$?

Suppose $f$ is bounded on $[a,c]$ and $a<b<c$ prove $\overline{\int_{a}^{c}}f = \overline{\int_{a}^{b}}f + \overline{\int_{b}^{c}}f$

Is Brownian Motion with Drift bounded from above?

Is this Stochastic Process bounded from above?

Lower bound for denominator of $\displaystyle \frac {a_1}{b_1} + \frac {a_2}{b_2}$ in terms of $b_1$ and $b_2$.

What is the difference between max/min and sup/inf.

Does the closure of bounded above subset of reals includes both infinimum and supremum?

Universal constant in upper bound for distribution of random walk

Upper function/bound for $y'(x)=x^3+y^3(x)$

Bound for $\Vert\sum_iA_i^\dagger A_i\Vert_\infty$ given that $\Vert\sum_i A_i\Vert_\infty$ is small

Are these functions in $L^{1}(\mathbb{R}^{d})$?

Showing a sequence of real numbers converges to a supremum

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