Question

How to find this function's discontinuity points?

score 37 · Answer 1 · 2018-03-31 02:50:51

37

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How to find this function's discontinuity points?

Published on 31 Mar 2018 - 2:50

score 63 · Answer 2 · 2026-03-25 04:53:55

63

Views

Proving a function is continuous using $\varepsilon -\delta$ definition

Published on 25 Mar 2026 - 4:53

score 375 · Answer 3 · 2026-03-30 05:31:57

375

Views

Show that if a continuous function is positive at a point it is positive on an interval around that point

Published on 30 Mar 2026 - 5:31

score 211 · Answer 4 · 2026-03-25 04:43:42

211

Views

Let $f:\Bbb{R}\to \Bbb{R} $ a continuous function s.t. $f(x+y)+f (x-y)=2f(x)+2f(y) $. Find $f$.

Published on 25 Mar 2026 - 4:43

score 103 · Answer 5 · 2026-03-26 12:04:58

103

Views

absolutely continuous measure - probability theory

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score 98 · Answer 6 · 2018-03-31 20:25:55

98

Views

A multiplier to make a couple of bounded functions continuous wrt one variable?

Published on 31 Mar 2018 - 20:25

score 1.6k · Answer 7 · 2018-04-01 00:02:55

1.6k

Views

Showing that a function is continuous everywhere.

Published on 01 Apr 2018 - 0:02

score 334 · Answer 8 · 2018-04-01 00:12:52

334

Views

the existence of sequences that approach infimum and supremum without knowing monotonicity

Published on 01 Apr 2018 - 0:12

score 2.7k · Answer 9 · 2018-04-01 02:11:00

2.7k

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$\sin(1/x)$ has intermediate value property (verification)

Published on 01 Apr 2018 - 2:11

score 176 · Answer 10 · 2026-03-25 03:17:13

176

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Continuous function from metric space to R

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score 161 · Answer 11 · 2018-04-01 09:06:03

161

Views

Deduce continuity of joint CDF from continuity of marginals

Published on 01 Apr 2018 - 9:06

score 1k · Answer 12 · 2018-04-01 14:21:54

1k

Views

Property of a continuous function in the neighborhood of a point

Published on 01 Apr 2018 - 14:21

score 269 · Answer 13 · 2026-03-25 17:36:27

269

Views

let $L$ be a linear form, is $L$ continuous?

Published on 25 Mar 2026 - 17:36

score 215 · Answer 14 · 2026-03-20 09:01:53

215

Views

Local connectedness is preserved under retractions

Published on 20 Mar 2026 - 9:01

score 59 · Answer 15 · 2026-03-25 16:46:31

59

Views

Continuity of $x \mapsto \inf \left\{ || x - u || \mid u \in U \right\}$

Published on 25 Mar 2026 - 16:46

List Question

How to find this function's discontinuity points?

Proving a function is continuous using $\varepsilon -\delta$ definition

Show that if a continuous function is positive at a point it is positive on an interval around that point

Let $f:\Bbb{R}\to \Bbb{R} $ a continuous function s.t. $f(x+y)+f (x-y)=2f(x)+2f(y) $. Find $f$.

absolutely continuous measure - probability theory

A multiplier to make a couple of bounded functions continuous wrt one variable?

Showing that a function is continuous everywhere.

the existence of sequences that approach infimum and supremum without knowing monotonicity

$\sin(1/x)$ has intermediate value property (verification)

Continuous function from metric space to R

Deduce continuity of joint CDF from continuity of marginals

Property of a continuous function in the neighborhood of a point

let $L$ be a linear form, is $L$ continuous?

Local connectedness is preserved under retractions

Continuity of $x \mapsto \inf \left\{ || x - u || \mid u \in U \right\}$

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