Mathematics
user avatar
user avatar
user avatar
Ben Blum-Smith
  • Member for 10 years, 10 months
  • Last seen more than a month ago
Profile Activity
Stats
19,309
reputation
452k
reached
170
answers
147
questions
Communities
View all
Badges
View all badges
4
gold badges
52
silver badges
115
bronze badges
Top tags
View all tags
177
Score
63
Posts
20
Posts %
114
Score
58
Posts
18
Posts %
93
Score
21
Posts
7
Posts %
78
Score
49
Posts
15
Posts %
53
Score
20
Posts
6
Posts %
50
Score
63
Posts
20
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
90
In categorical terms, why is there no canonical isomorphism from a finite dimensional vector space to its dual?
Dec 30, 2013
answer
55
Original works of great mathematician Évariste Galois
Jan 12, 2012
question
43
Submodule of free module over a p.i.d. is free even when the module is not finitely generated?
Jun 25, 2012
question
41
Why is the cartesian product so categorically robust?
May 29, 2015
question
39
Is There a Natural Way to Extend Repeated Exponentiation Beyond Integers?
Aug 10, 2011
question
33
A function that is $L^p$ for all $p$ but is not $L^\infty$?
Dec 12, 2011
question
32
Tricky contour integral resulting from the integration of $\sin ax / (x^2+b^2)$ over the positive halfline
Oct 1, 2011
question
30
Algebraic closure for $\mathbb{Q}$ or $\mathbb{F}_p$ without Choice?
Feb 29, 2012
question
25
Elementary problems with group theoretic solutions
Jan 15, 2012
question
25
$\operatorname{Ann}(M\otimes_A N)=\operatorname{Ann}M+\operatorname{Ann}N$?
Jul 11, 2012
Top Meta posts
2
3
23
Is either Math.SE or StackOverflow an appropriate forum for questions about Magma?
13
Asking about wrong answer
4
What do you really like about working with/contributing to math-SE?
4
Partially-unresolved questions with substantial progress: should I post a very long question, or a question + answer?
Top network posts
View all network posts
28
Is there any proof of the fundamental theorem of algebra that can be introduced to undergraduates who have just completed Calc III?
24
How can I estimate the length of an exam?
21
Direct combinatorial proof that $2^{2k} = \sum \binom{2i}{i}\binom{2j}{j}$?
20
Using a known result without a specific reference
18
Encouraging class participation

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.