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Answer score of 100 or more. This badge can be awarded multiple times.
Awarded 391 times.
How to memorise (understand) Nakayama's lemma and its corollaries?
Awarded Nov 29, 2016 at 10:07
Examples of common false beliefs in mathematics
Awarded Nov 25, 2016 at 8:59
Has philosophy ever clarified mathematics?
Awarded Nov 15, 2016 at 18:07
Geometric interpretation of trace
Awarded Nov 9, 2016 at 17:48
Convergence of $\sum(n^3\sin^2n)^{-1}$
Awarded Oct 30, 2016 at 21:29
Most harmful heuristic?
Awarded Oct 28, 2016 at 14:22
Famous mathematical quotes
Awarded Oct 27, 2016 at 0:18
What is the etymology of the term "perverse sheaf"?
Awarded Oct 12, 2016 at 17:50
Famous mathematical quotes
Awarded Sep 22, 2016 at 7:31
Where to buy premium white chalk in the U.S., like they have at RIMS?
Awarded Sep 15, 2016 at 2:21
Light reflecting off Christmas-tree balls
Awarded Sep 12, 2016 at 18:34
What are the most attractive Turing undecidable problems in mathematics?
Awarded Sep 10, 2016 at 19:47
Intuitive crutches for higher dimensional thinking
Awarded Sep 8, 2016 at 23:43
Awfully sophisticated proof for simple facts
Awarded Sep 2, 2016 at 15:16
Not especially famous, long-open problems which anyone can understand
Awarded Aug 27, 2016 at 8:26
Why do primes dislike dividing the sum of all the preceding primes?
Awarded Aug 4, 2016 at 12:49
Example of a good Zero Knowledge Proof
Awarded Jul 25, 2016 at 9:48
Examples of theorems misapplied to non-mathematical contexts
Awarded Jul 22, 2016 at 13:10
Awfully sophisticated proof for simple facts
Awarded Jul 17, 2016 at 9:07
What are "perfectoid spaces"?
Awarded Jun 30, 2016 at 18:57
(post deleted or otherwise unavailable)
Awarded Jun 22, 2016 at 16:26
(post deleted or otherwise unavailable)
Awarded Jun 13, 2016 at 22:36
Awfully sophisticated proof for simple facts
Awarded May 18, 2016 at 3:40
Thinking and Explaining
Awarded May 11, 2016 at 1:26
Examples of eventual counterexamples
Awarded Mar 30, 2016 at 17:28
Examples of eventual counterexamples
Awarded Mar 30, 2016 at 17:28
explicit big linearly independent sets
Awarded Mar 29, 2016 at 22:30
Does homeomorphic and isomorphic always imply homeomorphically isomorphic?
Awarded Mar 14, 2016 at 10:37
Most memorable titles
Awarded Mar 9, 2016 at 14:07
Is there an underlying explanation for the magical powers of the Schwarzian derivative?
Awarded Feb 26, 2016 at 23:03
(post deleted or otherwise unavailable)
Awarded Feb 14, 2016 at 13:54
Most 'unintuitive' application of the Axiom of Choice?
Awarded Feb 11, 2016 at 22:05
Proofs without words
Awarded Feb 5, 2016 at 6:41
Examples of common false beliefs in mathematics
Awarded Jan 29, 2016 at 17:25
What are some reasonable-sounding statements that are independent of ZFC?
Awarded Jan 21, 2016 at 15:49
Reductio ad absurdum or the contrapositive?
Awarded Jan 18, 2016 at 5:31
Most harmful heuristic?
Awarded Jan 6, 2016 at 8:57
Why do we teach calculus students the derivative as a limit?
Awarded Dec 31, 2015 at 3:29
What's the "best" proof of quadratic reciprocity?
Awarded Dec 1, 2015 at 20:56
What are the most misleading alternate definitions in taught mathematics?
Awarded Nov 23, 2015 at 13:57
(post deleted or otherwise unavailable)
Awarded Nov 23, 2015 at 5:35
Proofs without words
Awarded Nov 19, 2015 at 19:28
Proofs that require fundamentally new ways of thinking
Awarded Nov 15, 2015 at 17:06
Why do probabilists take random variables to be Borel (and not Lebesgue) measurable?
Awarded Nov 14, 2015 at 8:13
Do we still need model categories?
Awarded Nov 7, 2015 at 23:46
Famous mathematical quotes
Awarded Nov 7, 2015 at 20:03
Widely accepted mathematical results that were later shown to be wrong?
Awarded Oct 20, 2015 at 14:06
Famous mathematical quotes
Awarded Oct 12, 2015 at 9:52
Proofs without words
Awarded Oct 11, 2015 at 0:50
What are some examples of colorful language in serious mathematics papers?
Awarded Oct 5, 2015 at 3:04
Most memorable titles
Awarded Sep 30, 2015 at 7:10
(post deleted or otherwise unavailable)
Awarded Sep 14, 2015 at 13:13
Most helpful math resources on the web
Awarded Sep 12, 2015 at 12:48
Examples of common false beliefs in mathematics
Awarded Sep 2, 2015 at 3:44
Solutions to the Continuum Hypothesis
Awarded Aug 31, 2015 at 13:44
Most helpful math resources on the web
Awarded Aug 20, 2015 at 21:14
Theorems that are 'obvious' but hard to prove
Awarded Jul 2, 2015 at 17:09
Ways to prove the fundamental theorem of algebra
Awarded Jun 29, 2015 at 3:08
What are the worst notations, in your opinion?
Awarded Jun 5, 2015 at 16:26
What is convolution intuitively?
Awarded May 24, 2015 at 23:47
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