Question

False proof: Every continuous-time financial market has arbitrage.

score 218 · Answer 1 · 2021-05-07 23:07:16

218

Views

False proof: Every continuous-time financial market has arbitrage.

Published on 07 May 2021 - 23:07

score 752 · Answer 2 · 2021-05-16 10:08:08

752

Views

false proof of $\root \of 4$ is irrational.

Published on 16 May 2021 - 10:08

score 167 · Answer 3 · 2021-05-16 19:32:59

167

Views

When a square of given dimensions is cut to make it a rectangle, does the area of rectangle becomes greater? why? how?

Published on 16 May 2021 - 19:32

score 654 · Answer 4 · 2021-05-18 09:25:58

654

Views

Is there a sense in which $4^{2} = -16$?

Published on 18 May 2021 - 9:25

score 448 · Answer 5 · 2026-03-31 07:32:35

448

Views

Confusion about the ability to extend a state on a C*-algebra to a normal state on a von Neumann algebra

Published on 31 Mar 2026 - 7:32

score 225 · Answer 6 · 2021-05-27 12:23:44

225

Views

Fake proof that $1=0$ using the product law for limits

Published on 27 May 2021 - 12:23

score 138 · Answer 7 · 2021-05-28 00:30:24

138

Views

What's wrong with this way of manipulating Grandi's series

Published on 28 May 2021 - 0:30

score 471 · Answer 8 · 2021-06-01 19:24:55

471

Views

If a square wave is an infinite sum of sinusoids, why is it not differentiable?

Published on 01 Jun 2021 - 19:24

score 266 · Answer 9 · 2021-06-05 14:54:15

266

Views

Multiplication of two Riemann-integrable functions

Published on 05 Jun 2021 - 14:54

score 61 · Answer 10 · 2026-02-24 08:15:54

61

Views

Fault in a wrong proof (uniform continuity implies absolute continuity)

Published on 24 Feb 2026 - 8:15

score 244 · Answer 11 · 2021-06-10 14:21:07

244

Views

Laplace transform of $e^{-at}$: Using analytic continuation to get a bigger ROC

Published on 10 Jun 2021 - 14:21

score 117 · Answer 12 · 2021-06-11 16:16:56

117

Views

What's wrong with the proof that $1!=0$

Published on 11 Jun 2021 - 16:16

score 27 · Answer 13 · 2026-03-25 11:20:13

27

Views

$d$ divides every component of $A \iff d$ divides every component of $UAV$

Published on 25 Mar 2026 - 11:20

score 173 · Answer 14 · 2021-06-24 20:17:35

173

Views

What is wrong with my derivation of Jordan normal form?

Published on 24 Jun 2021 - 20:17

score 132 · Answer 15 · 2021-06-28 11:02:44

132

Views

I found $\lim_ {n \to \infty} (1+\frac 1 n)^n=1$. Where did I make mistake?

Published on 28 Jun 2021 - 11:02

List Question

False proof: Every continuous-time financial market has arbitrage.

false proof of $\root \of 4$ is irrational.

When a square of given dimensions is cut to make it a rectangle, does the area of rectangle becomes greater? why? how?

Is there a sense in which $4^{2} = -16$?

Confusion about the ability to extend a state on a C*-algebra to a normal state on a von Neumann algebra

Fake proof that $1=0$ using the product law for limits

What's wrong with this way of manipulating Grandi's series

If a square wave is an infinite sum of sinusoids, why is it not differentiable?

Multiplication of two Riemann-integrable functions

Fault in a wrong proof (uniform continuity implies absolute continuity)

Laplace transform of $e^{-at}$: Using analytic continuation to get a bigger ROC

What's wrong with the proof that $1!=0$

$d$ divides every component of $A \iff d$ divides every component of $UAV$

What is wrong with my derivation of Jordan normal form?

I found $\lim_ {n \to \infty} (1+\frac 1 n)^n=1$. Where did I make mistake?

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