Mathematics
jkn's user avatar
jkn's user avatar
jkn's user avatar
jkn
  • Member for 11 years, 4 months
  • Last seen more than 7 years ago
Profile Activity
Stats
5,089
reputation
268k
reached
94
answers
46
questions
Communities
View all
Badges
View all badges
This user doesn’t have any gold badges yet.
25
silver badges
53
bronze badges
Top tags
View all tags
51
Score
28
Posts
20
Posts %
46
Score
21
Posts
15
Posts %
40
Score
16
Posts
11
Posts %
20
Score
16
Posts
11
Posts %
19
Score
18
Posts
13
Posts %
16
Score
11
Posts
8
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
28
Do free online collaborative solution manuals exist?
Mar 11, 2013
question
23
Can the chain rule be relaxed to allow one of the functions to not be defined on an open set?
Apr 4, 2013
answer
22
What are the main uses of convex functions?
Aug 8, 2013
question
17
Number of real positive roots of a polynomial?
Jul 24, 2013
question
15
Necessary and sufficient conditions for a polynomial $p$ to satisfy $\|x\|\to\infty\implies p(x)\to\infty$?
Oct 9, 2013
question
15
On finding polynomials that approximate a function and its derivative (extensions of Stone-Weierstrass?)
Nov 7, 2013
question
13
If $A+A^T$ is negative definite, then the eigenvalues of $A$ have negative real parts?
Aug 29, 2012
question
13
Advice: Algebra and category theory for geometry?
Dec 29, 2013
question
12
Why are even/odd functions called even/odd?
Sep 25, 2012
question
11
If a function is continuously differentiable and bounded, is its derivative also bounded?
Sep 20, 2012
Top network posts
View all network posts
5
A question about extensions of Markov semigroups

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.