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 Great Answer
Answer score of 100 or more. This badge can be awarded multiple times.
Awarded 391 times.
Suggestions for good notation
Awarded Dec 17, 2021 at 5:30
What are some examples of colorful language in serious mathematics papers?
Awarded Oct 24, 2021 at 6:25
Nontrivially fillable gaps in published proofs of major theorems
Awarded Oct 9, 2021 at 10:25
Widely accepted mathematical results that were later shown to be wrong?
Awarded Oct 5, 2021 at 15:03
Most helpful math resources on the web
Awarded Sep 29, 2021 at 6:07
Most memorable titles
Awarded Sep 20, 2021 at 9:35
How to memorise (understand) Nakayama's lemma and its corollaries?
Awarded Aug 20, 2021 at 14:17
What are some reasonable-sounding statements that are independent of ZFC?
Awarded Aug 8, 2021 at 1:32
Examples of common false beliefs in mathematics
Awarded Aug 3, 2021 at 17:33
Please check my 6-line proof of Fermat's Last Theorem.
Awarded Jul 14, 2021 at 22:21
Why do we have two theorems when one implies the other?
Awarded Jul 13, 2021 at 15:56
Invertible matrices of natural numbers are permutations... why?
Awarded Jul 13, 2021 at 12:33
Is the sphere the only surface with circular projections? Or: Can we deduce a spherical Earth by observing that its shadows on the Moon are circular?
Awarded Jul 12, 2021 at 15:10
Should I not cite an arxiv.org paper which otherwise seems to be unpublished?
Awarded Jul 6, 2021 at 7:26
Why are matrices ubiquitous but hypermatrices rare?
Awarded Jul 1, 2021 at 1:26
Conway's lesser-known results
Awarded Jul 1, 2021 at 1:08
Parallelizability of the Milnor's exotic spheres in dimension 7
Awarded Jun 29, 2021 at 1:45
Why is the gradient normal?
Awarded Jun 25, 2021 at 20:32
Which high-degree derivatives play an essential role?
Awarded Jun 22, 2021 at 11:52
Short exact sequences every mathematician should know
Awarded Jun 19, 2021 at 1:35
Proofs without words
Awarded May 21, 2021 at 22:27
Why worry about the axiom of choice?
Awarded May 5, 2021 at 13:37
Proofs that require fundamentally new ways of thinking
Awarded Apr 25, 2021 at 13:49
Special rational numbers that appear as answers to natural questions
Awarded Apr 7, 2021 at 18:50
Not especially famous, long-open problems which anyone can understand
Awarded Mar 30, 2021 at 7:02
Examples of interesting false proofs
Awarded Mar 29, 2021 at 1:26
Should water at the scale of a cell feel more like tar?
Awarded Mar 21, 2021 at 6:40
Famous mathematical quotes
Awarded Mar 14, 2021 at 21:30
What are your favorite instructional counterexamples?
Awarded Feb 10, 2021 at 5:28
Examples of common false beliefs in mathematics
Awarded Feb 7, 2021 at 19:05
Examples of common false beliefs in mathematics
Awarded Feb 7, 2021 at 8:07
What are your favorite instructional counterexamples?
Awarded Jan 5, 2021 at 12:20
Why do functions in complex analysis behave so well? (as opposed to functions in real analysis)
Awarded Dec 31, 2020 at 22:57
Proofs without words
Awarded Dec 23, 2020 at 16:26
Hirzebruch's motivation of the Todd class
Awarded Dec 7, 2020 at 10:47
What is entropy, really?
Awarded Nov 22, 2020 at 14:11
What are some examples of colorful language in serious mathematics papers?
Awarded Nov 21, 2020 at 11:04
What makes dependent type theory more suitable than set theory for proof assistants?
Awarded Nov 21, 2020 at 10:22
Examples of unexpected mathematical images
Awarded Oct 30, 2020 at 16:49
"Surprising" examples of Markov chains
Awarded Oct 20, 2020 at 18:12
How has modern algebraic geometry affected other areas of math?
Awarded Oct 1, 2020 at 11:31
Is it possible to express $\int\sqrt{x+\sqrt{x+\sqrt{x+1}}}dx$ in elementary functions?
Awarded Sep 21, 2020 at 21:56
Are there any serious investigations of whether "mathematicians do their best work when they're young"?
Awarded Sep 21, 2020 at 4:27
How Much Work Does it Take to be a Successful Mathematician?
Awarded Sep 16, 2020 at 9:42
Why should one still teach Riemann integration?
Awarded Sep 15, 2020 at 15:25
Every mathematician has only a few tricks
Awarded Sep 15, 2020 at 8:57
If you break a stick at two points chosen uniformly, the probability the three resulting sticks form a triangle is 1/4. Is there a nice proof of this?
Awarded Sep 8, 2020 at 6:35
Suggestions for good notation
Awarded Sep 4, 2020 at 12:32
Suggestions for special lectures at next ICM
Awarded Aug 17, 2020 at 13:45
what mistakes did the Italian algebraic geometers actually make?
Awarded Aug 7, 2020 at 16:04
What are examples of (collections of) papers which "close" a field?
Awarded Aug 5, 2020 at 20:34
Issue UPDATE: in graph theory, different definitions of edge crossing numbers - impact on applications?
Awarded Aug 4, 2020 at 14:52
Set theories without "junk" theorems?
Awarded Jul 26, 2020 at 5:32
What are the benefits of writing vector inner products as $\langle u, v\rangle$ as opposed to $u^T v$?
Awarded Jul 22, 2020 at 4:31
What is torsion in differential geometry intuitively?
Awarded Jul 20, 2020 at 15:25
Books you would like to read (if somebody would just write them…)
Awarded Jul 17, 2020 at 22:55
Axiom of choice, Banach-Tarski and reality
Awarded Jul 17, 2020 at 13:41
LaTeX tricks that save time in typesetting
Awarded Jul 14, 2020 at 8:37
What's a mathematician to do?
Awarded Jun 9, 2020 at 16:06
How do we know that Fermat wrote his famous note in 1637?
Awarded May 30, 2020 at 16:36
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