User Dick Palais

115 votes

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About a letter by Richard Palais of 1965.

answered Aug 15, 2012 at 18:07

83 votes

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What if Current Foundations of Mathematics are Inconsistent?

answered Oct 3, 2010 at 13:42

75 votes

What are some examples of colorful language in serious mathematics papers?

answered Feb 4, 2011 at 19:46

72 votes

Theorems that are 'obvious' but hard to prove

answered Jan 9, 2011 at 20:20

68 votes

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Is "Cartan's magic formula" due to Élie or Henri?

answered Sep 21, 2010 at 21:34

56 votes

What is the situation with Hilbert's Fifth Problem?

answered Jul 11, 2010 at 18:29

48 votes

Extremely messy proofs

answered Oct 27, 2010 at 17:06

47 votes

Is rigour just a ritual that most mathematicians wish to get rid of if they could?

answered Apr 17, 2013 at 22:04

45 votes

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Is there a natural random process that is rigorously known to produce Zipf's law?

answered Sep 18, 2010 at 18:09

44 votes

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Motivating the de Rham theorem

answered Oct 26, 2010 at 16:27

43 votes

Is Fourier analysis a special case of representation theory or an analogue?

answered Aug 29, 2010 at 19:43

42 votes

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Square root of a positive $C^\infty$ function.

answered Aug 25, 2012 at 3:47

41 votes

What is an integrable system?

answered Jul 5, 2010 at 17:14

34 votes

Do these properties characterize differentiation?

answered Nov 4, 2010 at 5:23

32 votes

Teaching proofs in the era of Google

answered Oct 9, 2010 at 11:46

27 votes

$C^1$ isometric embedding of flat torus into $\mathbb{R}^3$

answered Jul 9, 2010 at 20:36

27 votes

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Leibnizian calculus textbook

answered Mar 11, 2011 at 19:59

26 votes

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Which principlal bundles are locally trivial?

answered Mar 1, 2011 at 18:41

26 votes

existence of Morse functions satisfying the Palais-Smale condition

answered Jul 26, 2010 at 16:32

24 votes

What does the word "symplectic" mean?

answered Nov 7, 2010 at 14:19

24 votes

What would you want to see at the Museum of Mathematics?

answered Dec 25, 2010 at 16:35

23 votes

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Notes for Bott's 1963 lectures on Morse theory

answered Dec 7, 2012 at 6:14

23 votes

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Monotone functions are differentiable a.e. and Hilbert's Fifth Problem: what's the connection?

answered Nov 1, 2010 at 19:13

21 votes

Atiyah-Singer index theorem

answered Jul 28, 2010 at 14:12

20 votes

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Riemannian metric induced by a metric

answered Nov 7, 2010 at 14:39

20 votes

Are there examples of non-orientable manifolds in nature?

answered Nov 12, 2010 at 17:15

20 votes

Suggestions for good notation

answered Oct 21, 2010 at 1:30

20 votes

Why is the Laplacian ubiquitous?

answered Feb 10, 2011 at 6:47

19 votes

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Differential forms, PDE's and Élie Cartan

answered Aug 27, 2010 at 22:00

18 votes

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Total energy of the universe

answered Sep 14, 2010 at 15:02

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121 Answers

About a letter by Richard Palais of 1965.

What if Current Foundations of Mathematics are Inconsistent?

What are some examples of colorful language in serious mathematics papers?

Theorems that are 'obvious' but hard to prove

Is "Cartan's magic formula" due to Élie or Henri?

What is the situation with Hilbert's Fifth Problem?

Extremely messy proofs

Is rigour just a ritual that most mathematicians wish to get rid of if they could?

Is there a natural random process that is rigorously known to produce Zipf's law?

Motivating the de Rham theorem

Is Fourier analysis a special case of representation theory or an analogue?

Square root of a positive $C^\infty$ function.

What is an integrable system?

Do these properties characterize differentiation?

Teaching proofs in the era of Google

$C^1$ isometric embedding of flat torus into $\mathbb{R}^3$

Leibnizian calculus textbook

Which principlal bundles are locally trivial?

existence of Morse functions satisfying the Palais-Smale condition

What does the word "symplectic" mean?

What would you want to see at the Museum of Mathematics?

Notes for Bott's 1963 lectures on Morse theory

Monotone functions are differentiable a.e. and Hilbert's Fifth Problem: what's the connection?

Atiyah-Singer index theorem

Riemannian metric induced by a metric

Are there examples of non-orientable manifolds in nature?

Suggestions for good notation

Why is the Laplacian ubiquitous?

Differential forms, PDE's and Élie Cartan

Total energy of the universe