Question

Calculus - Showing that Min does not exists

score 72 · Answer 1 · 2026-04-05 21:28:31

72

Views

Calculus - Showing that Min does not exists

Published on 05 Apr 2026 - 21:28

score 91 · Answer 2 · 2021-03-03 11:32:04

91

Views

Supremum of a Brownian semi-martingale

Published on 03 Mar 2021 - 11:32

score 103 · Answer 3 · 2021-03-03 19:25:08

103

Views

Minimax criterion in decision theory

Published on 03 Mar 2021 - 19:25

score 19 · Answer 4 · 2021-03-03 21:31:46

19

Views

Let $\phi\neq A\subset \mathbb{R}$ that is bounded from below. Show that there exists a decreasing sequence $(s_n)\subset A$ s.t. $\lim s_n = \inf A$.

Published on 03 Mar 2021 - 21:31

score 115 · Answer 5 · 2026-03-29 22:12:37

115

Views

Why does every sequence of real numbers have an upper limit?

Published on 29 Mar 2026 - 22:12

score 381 · Answer 6 · 2021-03-05 01:11:46

381

Views

Supremum of the sum of two subsets equals to the sum of two suprema

Published on 05 Mar 2021 - 1:11

score 147 · Answer 7 · 2021-03-07 16:52:54

147

Views

Real Analysis - Does my counter example disprove this lemma?

Published on 07 Mar 2021 - 16:52

score 75 · Answer 8 · 2021-03-08 22:56:45

75

Views

Prove that there exists an injective function K : S → ℚ given the set S:={s ∈ R: sup {f(x): x < s}≠ inf {f(y): y > s}}

Published on 08 Mar 2021 - 22:56

score 86 · Answer 9 · 2021-03-09 00:44:40

86

Views

Prove that $\sup\{f(x) : x < s\} ≤ \inf\{f(y) : y > s\}$ and both values are real numbers given an increasing function

Published on 09 Mar 2021 - 0:44

score 75 · Answer 10 · 2021-03-09 09:56:31

75

Views

Continuity of Functions defined from a supremum

Published on 09 Mar 2021 - 9:56

score 115 · Answer 11 · 2021-03-15 16:09:04

115

Views

Maximum value of $|\sum_{n=1}^\infty \frac{g\left(\frac1n\right)}{2^n}|$

Published on 15 Mar 2021 - 16:09

score 86 · Answer 12 · 2021-03-16 11:25:02

86

Views

Infimum and supremum of the set $Z = \left\{ \frac{m}{n}: m, n \in \mathbb{N} \space \land 4^n n^m < m^m < 27^n n^m \right\}$

Published on 16 Mar 2021 - 11:25

score 155 · Answer 13 · 2021-03-16 22:43:19

155

Views

Maximum of $\sum_{n=1}^\infty \sin(n) \cdot (x_n - x_{n+1})$

Published on 16 Mar 2021 - 22:43

score 107 · Answer 14 · 2021-03-17 17:33:05

107

Views

Supremum of $B$, where $\sup B = \lambda + \sup A $

Published on 17 Mar 2021 - 17:33

score 55 · Answer 15 · 2021-03-18 03:00:00

55

Views

Prove $\sup\{(-1)^n+\frac{2}{n}\leq a: n\in\mathbb{N},a\in(-1,3)\}$ is inside the set which its supremum of

Published on 18 Mar 2021 - 3:00

List Question

Calculus - Showing that Min does not exists

Supremum of a Brownian semi-martingale

Minimax criterion in decision theory

Let $\phi\neq A\subset \mathbb{R}$ that is bounded from below. Show that there exists a decreasing sequence $(s_n)\subset A$ s.t. $\lim s_n = \inf A$.

Why does every sequence of real numbers have an upper limit?

Supremum of the sum of two subsets equals to the sum of two suprema

Real Analysis - Does my counter example disprove this lemma?

Prove that there exists an injective function K : S → ℚ given the set S:={s ∈ R: sup {f(x): x < s}≠ inf {f(y): y > s}}

Prove that $\sup\{f(x) : x < s\} ≤ \inf\{f(y) : y > s\}$ and both values are real numbers given an increasing function

Continuity of Functions defined from a supremum

Maximum value of $|\sum_{n=1}^\infty \frac{g\left(\frac1n\right)}{2^n}|$

Infimum and supremum of the set $Z = \left\{ \frac{m}{n}: m, n \in \mathbb{N} \space \land 4^n n^m < m^m < 27^n n^m \right\}$

Maximum of $\sum_{n=1}^\infty \sin(n) \cdot (x_n - x_{n+1})$

Supremum of $B$, where $\sup B = \lambda + \sup A $

Prove $\sup\{(-1)^n+\frac{2}{n}\leq a: n\in\mathbb{N},a\in(-1,3)\}$ is inside the set which its supremum of

Trending Questions

Popular # Hahtags

Popular Questions