Question

A derivative problem

score 64 · Answer 1 · 2026-04-10 21:33:07

64

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A derivative problem

Published on 10 Apr 2026 - 21:33

score 143 · Answer 2 · 2026-04-11 23:09:23

143

Views

An investigation of Heine´s characterization of continuity

Published on 11 Apr 2026 - 23:09

score 114 · Answer 3 · 2026-04-08 17:28:32

114

Views

Does one need a proof to show that the function is continuous?

Published on 08 Apr 2026 - 17:28

score 77 · Answer 4 · 2026-04-13 00:21:28

77

Views

Expectation of stochastic process continuous in starting point.

Published on 13 Apr 2026 - 0:21

score 404 · Answer 5 · 2019-06-16 22:08:53

404

Views

There exists a continuous function $f$ such that $f(\Bbb Q) \subseteq \Bbb R\setminus\Bbb Q$ and $f(\Bbb R\setminus\Bbb Q)\subseteq\Bbb Q$

Published on 16 Jun 2019 - 22:08

score 122 · Answer 6 · 2019-06-17 06:04:00

122

Views

Problem on derivative, which of the following are correct?[CSIR-JUNE-2019]

Published on 17 Jun 2019 - 6:04

score 74 · Answer 7 · 2019-06-17 07:31:31

74

Views

Does there exist a non decreasing function $f:\mathbb{R} \to \mathbb{R}$ such that the set of discontinuities is $\mathbb{Q}$?

Published on 17 Jun 2019 - 7:31

score 38 · Answer 8 · 2026-04-09 13:33:56

38

Views

Prove the following definitions for $\alpha$ are continuous

Published on 09 Apr 2026 - 13:33

score 79 · Answer 9 · 2026-04-09 11:49:09

79

Views

A question on smooth spaces

Published on 09 Apr 2026 - 11:49

score 185 · Answer 10 · 2026-03-26 04:52:26

185

Views

Continuity on the one-point compactification of $R^n$

Published on 26 Mar 2026 - 4:52

score 63 · Answer 11 · 2026-03-26 06:34:49

63

Views

Where do I start on initial value problem $f(t_{0})=x_{0}$ and $f'(t)=h(t)f(t)+g(t)?$

Published on 26 Mar 2026 - 6:34

score 85 · Answer 12 · 2026-04-12 19:41:56

85

Views

Let $f:\Bbb X\subset\Bbb R \to \Bbb R$ define continuous function. Prove that $f_-(x)$ and $f_+(x)$ are continuous

Published on 12 Apr 2026 - 19:41

score 42 · Answer 13 · 2019-06-18 03:19:29

42

Views

Define $g=\inf_sg_s$. If $g_s$ is upper semicontinuous then so is $g$?

Published on 18 Jun 2019 - 3:19

score 19 · Answer 14 · 2026-04-12 13:42:58

19

Views

Solution-verification of function that is lower semicontinuous

Published on 12 Apr 2026 - 13:42

score 29 · Answer 15 · 2026-04-10 16:56:36

29

Views

What is a good approach to proving $f$ is continuous in $\bar 0$

Published on 10 Apr 2026 - 16:56

List Question

A derivative problem

An investigation of Heine´s characterization of continuity

Does one need a proof to show that the function is continuous?

Expectation of stochastic process continuous in starting point.

There exists a continuous function $f$ such that $f(\Bbb Q) \subseteq \Bbb R\setminus\Bbb Q$ and $f(\Bbb R\setminus\Bbb Q)\subseteq\Bbb Q$

Problem on derivative, which of the following are correct?[CSIR-JUNE-2019]

Does there exist a non decreasing function $f:\mathbb{R} \to \mathbb{R}$ such that the set of discontinuities is $\mathbb{Q}$?

Prove the following definitions for $\alpha$ are continuous

A question on smooth spaces

Continuity on the one-point compactification of $R^n$

Where do I start on initial value problem $f(t_{0})=x_{0}$ and $f'(t)=h(t)f(t)+g(t)?$

Let $f:\Bbb X\subset\Bbb R \to \Bbb R$ define continuous function. Prove that $f_-(x)$ and $f_+(x)$ are continuous

Define $g=\inf_sg_s$. If $g_s$ is upper semicontinuous then so is $g$?

Solution-verification of function that is lower semicontinuous

What is a good approach to proving $f$ is continuous in $\bar 0$

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