List questions from supremum-and-infimum

Published on 11 Apr 2019 - 18:03

406

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If $\inf(A) < \sup (B) $ then there is some $a \in A$ and $b \in B$ such that $a<b$

Published on 13 Apr 2019 - 19:05

28

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mathematical conversion

Published on 15 Apr 2019 - 17:29

137

Views

Find $\limsup _{n\to\infty} \bigl(\frac{2\cdot5\cdot8\cdot\cdots\cdot(3n-4)}{3^nn!}\bigr)^{1/n}$

Published on 16 Apr 2019 - 6:43

65

Views

Rudin Theorem 1.11 "counterexample" (where is my mistake?)

Published on 17 Apr 2019 - 3:55

66

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An intriguing supremum… which may be inaccurate

Published on 18 Apr 2019 - 12:41

45

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How to prove this simple property for two sets?

Published on 19 Apr 2019 - 12:41

318

Views

Continuity and Lipschitz Property of Infimal Convolution

Published on 26 Mar 2026 - 4:51

176

Views

Show that $\alpha+ \beta$ is the supremum of $A + B$.

Published on 21 Apr 2019 - 5:57

422

Views

Supremum of product of sets $A,B$.

Published on 22 Apr 2019 - 9:12

1.6k

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Infimum and supremum for $\{ x \in \Bbb R\mid x^2-2x-1 < 0 \} $

Published on 22 Apr 2019 - 21:36

53

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Infimum depending on two variables

Published on 23 Apr 2019 - 8:37

875

Views

Book questions on supremum, bounds.

Published on 25 Apr 2019 - 3:04

34

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A question about infimum: $k\leq a_i\implies k\leq\inf_i a_i$?

Published on 25 Apr 2019 - 3:14

120

Views

Find for given set $A$, $|A|$ set's supremum & bounds.

Published on 25 Apr 2019 - 11:16

List Question

Inequality using pseudometric

If $\inf(A) < \sup (B) $ then there is some $a \in A$ and $b \in B$ such that $a<b$

mathematical conversion

Find $\limsup _{n\to\infty} \bigl(\frac{2\cdot5\cdot8\cdot\cdots\cdot(3n-4)}{3^nn!}\bigr)^{1/n}$

Rudin Theorem 1.11 "counterexample" (where is my mistake?)

An intriguing supremum… which may be inaccurate

How to prove this simple property for two sets?

Continuity and Lipschitz Property of Infimal Convolution

Show that $\alpha+ \beta$ is the supremum of $A + B$.

Supremum of product of sets $A,B$.

Infimum and supremum for $\{ x \in \Bbb R\mid x^2-2x-1 < 0 \} $

Infimum depending on two variables

Book questions on supremum, bounds.

A question about infimum: $k\leq a_i\implies k\leq\inf_i a_i$?

Find for given set $A$, $|A|$ set's supremum & bounds.

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