User Daniel Asimov

46 votes

Widely accepted mathematical results that were later shown to be wrong?

answered Aug 14, 2010 at 18:13

36 votes

Why worry about the axiom of choice?

answered May 2, 2010 at 1:06

25 votes

Examples of common false beliefs in mathematics

answered Jun 12, 2010 at 0:40

20 votes

What are some correct results discovered with incorrect (or no) proofs?

answered Jun 11, 2010 at 21:01

15 votes

Why do dynamicists worry so much about differentiability hypotheses in smooth dynamics?

answered Mar 28, 2010 at 22:48

14 votes

Examples of common false beliefs in mathematics

answered May 9, 2010 at 18:40

10 votes

What is a foliation and why should I care?

answered Mar 28, 2021 at 17:47

6 votes

Who is the last mathematician that understood all of mathematics.

answered Jun 12, 2010 at 0:18

4 votes

Accepted

Noninteger iterates of functions: How to get ODE from flow at a given time?

answered May 30, 2010 at 20:20

4 votes

Google question: In a country in which people only want boys

answered Jul 8, 2010 at 15:37

4 votes

What does keep you "doing what you do"?

answered Sep 20 at 1:12

4 votes

Accepted

Smooth mapping from $\mathrm{RP}^2$ to $\mathbb{R}^3$ with nonsingular derivative

answered Nov 12, 2022 at 8:03

3 votes

Which mathematicians have influenced you the most?

answered Jul 5, 2010 at 20:10

3 votes

A problem of an infinite number of balls and an urn

answered May 25, 2010 at 17:57

2 votes

Analytic ODE with complex time

answered May 30, 2010 at 22:38

2 votes

Complementary integrable vector fields

answered Nov 9, 2019 at 12:07

2 votes

Examples of bad notation and its consequences

answered Apr 21, 2023 at 3:41

2 votes

Are there other nice math books close to the style of Tristan Needham?

answered Apr 29, 2023 at 1:16

2 votes

Identifying the conformal equivalence class of a 2-torus subgroup of the cubical 3-torus

answered Jun 3, 2022 at 0:17

1 vote

Theorems similar to Tischler fibering theorem

answered Sep 28 at 22:51

1 vote

Can either pair of opposite sides of an arbitrary parallelogram be brought into coincidence isometrically in 3-space?

answered Aug 9 at 1:13

1 vote

Can a mathematical definition be wrong?

answered Oct 28, 2019 at 23:28

1 vote

Does for every vector field there always exist a volume form for which the vector field is a homothety?

answered Oct 31, 2019 at 1:18

1 vote

Which manifolds admit a diffeomorphism of order $n$?

answered Jul 4, 2010 at 20:00

0 votes

Google question: In a country in which people only want boys

answered Jul 5, 2010 at 21:11

0 votes

What are examples of mathematical concepts named after the wrong people? (Stigler's law)

answered Nov 23, 2023 at 2:31

-2 votes

Vector field on 3-sphere

answered Feb 18, 2021 at 1:04

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27 Answers

Widely accepted mathematical results that were later shown to be wrong?

Why worry about the axiom of choice?

Examples of common false beliefs in mathematics

What are some correct results discovered with incorrect (or no) proofs?

Why do dynamicists worry so much about differentiability hypotheses in smooth dynamics?

Examples of common false beliefs in mathematics

What is a foliation and why should I care?

Who is the last mathematician that understood all of mathematics.

Noninteger iterates of functions: How to get ODE from flow at a given time?

Google question: In a country in which people only want boys

What does keep you "doing what you do"?

Smooth mapping from $\mathrm{RP}^2$ to $\mathbb{R}^3$ with nonsingular derivative

Which mathematicians have influenced you the most?

A problem of an infinite number of balls and an urn

Analytic ODE with complex time

Complementary integrable vector fields

Examples of bad notation and its consequences

Are there other nice math books close to the style of Tristan Needham?

Identifying the conformal equivalence class of a 2-torus subgroup of the cubical 3-torus

Theorems similar to Tischler fibering theorem

Can either pair of opposite sides of an arbitrary parallelogram be brought into coincidence isometrically in 3-space?

Can a mathematical definition be wrong?

Does for every vector field there always exist a volume form for which the vector field is a homothety?

Which manifolds admit a diffeomorphism of order $n$?

Google question: In a country in which people only want boys

What are examples of mathematical concepts named after the wrong people? (Stigler's law)

Vector field on 3-sphere