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Answers
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88
About a letter by Richard Palais of 1965.
54
What if Current Foundations of Mathematics are Inconsistent?
45
What is the situation with Hilbert’s Fifth Problem ?
45
Theorems that are ‘obvious’ but hard to prove
33
What are some examples of colorful language in serious mathematics papers?
30
Is “Cartan’s magic formula” due to Élie or Henri?
30
Is rigour just a ritual that most mathematicians wish to get rid of if they could?
28
Teaching proofs in the era of Google
28
Extremely messy proofs
27
Square root of a positive $C^\infty$ function.
26
Is there a natural random process that is rigorously known to produce Zipf’s law?
26
existence of Morse functions satisfying the Palais-Smale condition
23
Motivating the de Rham theorem
22
Monotone functions are differentiable a.e. and Hilbert’s Fifth Problem: what’s the connection?
22
Do these properties characterize differentiation?
22
What would you want to see at the Museum of Mathematics?
21
Leibnizian calculus textbook
20
Why is the Laplacian ubiquitous?
20
Notes for Bott’s 1963 lectures on Morse theory
18
Is Fourier analysis a special case of representation theory or an analogue?
17
Can we add two matrices by performing an operation on their eigenvalues & eigenvectors?
17
Atiyah-Singer index theorem
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Suggestions for good notation
17
Which principlal bundles are locally trivial?
15
Solitary waves and their symmetries
14
$C^1$ isometric embedding of flat torus into $\mathbb{R}^3$
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What does the word “symplectic” mean?
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Shortest-path Distances Determining the Metric?
13
Why don’t more mathematicians improve Wikipedia articles?
12
What is an integrable system
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