Jan Grabowski
  • Member for 10 years, 11 months
  • Last seen this week
276 answers
933 votes
261k views
967 bookmarks
Examples of common false beliefs in mathematics
16 answers
288 votes
123k views
303 bookmarks
What's a mathematician to do?
33 answers
275 votes
33k views
217 bookmarks
Which journals publish expository work?
16 answers
222 votes
52k views
148 bookmarks
What elementary problems can you solve with schemes?
46 answers
185 votes
25k views
131 bookmarks
Books you would like to read (if somebody would just write them...)
35 answers
167 votes
32k views
128 bookmarks
Proposals for polymath projects
43 answers
142 votes
55k views
203 bookmarks
Where does a math person go to learn quantum mechanics?
2 answers
141 votes
19k views
77 bookmarks
What is a Frobenioid?
10 answers
140 votes
13k views
132 bookmarks
What non-categorical applications are there of homotopical algebra?
30 answers
109 votes
15k views
105 bookmarks
New grand projects in contemporary math
27 answers
87 votes
11k views
82 bookmarks
Modern Mathematical Achievements Accessible to Undergraduates
26 answers
78 votes
6k views
52 bookmarks
What would you want on a Lie theory cheat poster?
11 answers
77 votes
12k views
135 bookmarks
What is Quantization ?
25 answers
75 votes
6k views
55 bookmarks
What could be some potentially useful mathematical databases?
12 answers
73 votes
12k views
68 bookmarks
Compelling evidence that two basepoints are better than one
29 answers
73 votes
12k views
82 bookmarks
(Preferably rare) Audio/Video recordings of famous mathematicians?
7 answers
72 votes
7k views
48 bookmarks
Example of a manifold which is not a homogeneous space of any Lie group
6 answers
71 votes
5k views
13 bookmarks
whence commutative diagrams?
9 answers
71 votes
11k views
51 bookmarks
What is the significance of non-commutative geometry in mathematics?
6 answers
61 votes
7k views
26 bookmarks
Origin of terms "flag", "flag manifold", "flag variety"?
12 answers
61 votes
7k views
29 bookmarks
Why don't more mathematicians improve Wikipedia articles?
22 answers
60 votes
16k views
54 bookmarks
What's a groupoid? What's a good example of a groupoid?
3 answers
59 votes
6k views
37 bookmarks
What is the current status of the Kaplansky zero-divisor conjecture for group rings?
7 answers
54 votes
5k views
36 bookmarks
Are higher categories useful?
3 answers
47 votes
4k views
39 bookmarks
Properties of functors and their adjoints
28 answers
43 votes
7k views
38 bookmarks
Problems where we can't make a canonical choice, solved by looking at all choices at once
3 answers
41 votes
3k views
27 bookmarks
Why is there such a close resemblance between the unitary representation theory of the Virasoro algebra and that of the Temperley-Lieb algebra?
2 answers
41 votes
3k views
23 bookmarks
How much of character theory can be done without Schur's lemma or the Artin-Wedderburn theorem?
14 answers
39 votes
3k views
14 bookmarks
A set for which it is hard to determine whether or not it is countable.
4 answers
38 votes
3k views
21 bookmarks
Pre-triangulated category that isn't triangulated
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