List questions from supremum-and-infimum

89

Views

Paper in Calculus of Variation: Question on why $\;\inf \{ E_1(u)\}\;$ can't be less than $\;\min \{E_1(u)\}\;$

Published on 18 Mar 2026 - 12:37

130

Views

Showing $\sup A\ge 2$

Published on 02 Mar 2018 - 0:16

178

Views

Showing a Sequence Converges to Sup $F$

Published on 04 Mar 2018 - 10:09

1k

Views

Prove that $\sup A+x=\sup(A+x)$

Published on 05 Mar 2018 - 23:34

950

Views

Prove that sup $f(x)$ $\le$ inf $g(y)$. (proof verification)

Published on 06 Mar 2018 - 1:32

132

Views

Find the infimum and supremum (assignment)

Published on 06 Mar 2018 - 9:30

374

Views

Minimax theorem

Published on 21 Mar 2026 - 18:00

30

Views

Find the supremum and infimum of this set

Published on 06 Mar 2018 - 17:37

288

Views

If $A\subseteq B$ then prove that $\inf B \le \inf A \le \sup A \le \sup B$

Published on 07 Mar 2018 - 4:58

91

Views

Question about the supremum of a set

Published on 07 Mar 2018 - 13:40

111

Views

Fourier transform supremum estimate

Published on 25 Mar 2026 - 7:47

80

Views

What about a lower and an upper bound of $\log |\sin N_n|$, where $N_n$ is the primorial of order $n$?

Published on 08 Mar 2018 - 0:05

57

Views

Where does the choice of $n$ come from in this proof of $\inf \left\{\exp((-1)^nn)\right\} = 0$?

Published on 10 Mar 2018 - 4:42

1.1k

Views

Finding the supremum of the set $A = \left\{\sin({n \pi}/{2})-\frac{1}{\sqrt{n}}: n \in \mathbb{N}\right\}$.

Published on 11 Mar 2018 - 6:00

828

Views

Finding the infimum of the set $A=\left\{\cos(\pi \sqrt{n}/2)+2/n: n \in \mathbb{N}\right\}$

Published on 12 Mar 2018 - 5:51

List Question

Paper in Calculus of Variation: Question on why $\;\inf \{ E_1(u)\}\;$ can't be less than $\;\min \{E_1(u)\}\;$

Showing $\sup A\ge 2$

Showing a Sequence Converges to Sup $F$

Prove that $\sup A+x=\sup(A+x)$

Prove that sup $f(x)$ $\le$ inf $g(y)$. (proof verification)

Find the infimum and supremum (assignment)

Minimax theorem

Find the supremum and infimum of this set

If $A\subseteq B$ then prove that $\inf B \le \inf A \le \sup A \le \sup B$

Question about the supremum of a set

Fourier transform supremum estimate

What about a lower and an upper bound of $\log |\sin N_n|$, where $N_n$ is the primorial of order $n$?

Where does the choice of $n$ come from in this proof of $\inf \left\{\exp((-1)^nn)\right\} = 0$?

Finding the supremum of the set $A = \left\{\sin({n \pi}/{2})-\frac{1}{\sqrt{n}}: n \in \mathbb{N}\right\}$.

Finding the infimum of the set $A=\left\{\cos(\pi \sqrt{n}/2)+2/n: n \in \mathbb{N}\right\}$

Trending Questions

Popular # Hahtags

Popular Questions