List questions from supremum-and-infimum

Published on 20 Nov 2019 - 22:51

256

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How to Prove that if $A$ is bounded, then $A \cdot A$ is bounded?

Published on 21 Nov 2019 - 8:50

64

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If $A$ is bounded then so is $A\cdot A$?

Published on 22 Nov 2019 - 9:03

2.1k

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supremum of expectation = expectation of supremum?

Published on 27 Nov 2019 - 7:59

509

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Measurability of supremum of measurable functions

Published on 30 Nov 2019 - 9:38

351

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Question about Supremum/Infimum over double indexed Sets

Published on 01 Dec 2019 - 12:57

16

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Sets of Linear operators and Uniform Boundedness

Published on 10 Mar 2026 - 20:58

52

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Show inverse is well-defined and bounded

Published on 02 Dec 2019 - 23:08

146

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Infimum and Supremum of a bounded sequence

Published on 03 Dec 2019 - 6:14

89

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$||g_n||_{\infty} < \delta_{n-1}(g)$

Published on 27 Mar 2026 - 12:04

49

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Let $X=Y=[0,1]$ and $g(x, y)=\max \{x(1-2 y), y(1-2 x)\}$. How to compute $\max_{x \in X} \min_{y \in Y} g(x,y)$?

Published on 05 Dec 2019 - 10:57

28

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$\lim \inf_{n \to \infty} \frac{c_{n+1}}{c_{n}} \le \lim \inf c_{n}^{1/n}$

Published on 05 Dec 2019 - 13:24

188

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$\inf f(A) \leq f( \inf A)$ if $f$ is continuous

Published on 06 Dec 2019 - 19:05

253

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Supremum of a function is its limits?

Published on 07 Dec 2019 - 21:16

1k

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Supremum of (1/x+1)

Published on 08 Dec 2019 - 11:15

List Question

Show that $\inf(f(A)) \geq f(\sup(A))$

How to Prove that if $A$ is bounded, then $A \cdot A$ is bounded?

If $A$ is bounded then so is $A\cdot A$?

supremum of expectation = expectation of supremum?

Measurability of supremum of measurable functions

Question about Supremum/Infimum over double indexed Sets

Sets of Linear operators and Uniform Boundedness

Show inverse is well-defined and bounded

Infimum and Supremum of a bounded sequence

$||g_n||_{\infty} < \delta_{n-1}(g)$

Let $X=Y=[0,1]$ and $g(x, y)=\max \{x(1-2 y), y(1-2 x)\}$. How to compute $\max_{x \in X} \min_{y \in Y} g(x,y)$?

$\lim \inf_{n \to \infty} \frac{c_{n+1}}{c_{n}} \le \lim \inf c_{n}^{1/n}$

$\inf f(A) \leq f( \inf A)$ if $f$ is continuous

Supremum of a function is its limits?

Supremum of (1/x+1)

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