Mathematics
DuFong's user avatar
DuFong's user avatar
DuFong's user avatar
DuFong
  • Member for 8 years, 10 months
  • Last seen more than a month ago
Profile Activity
Stats
990
reputation
51k
reached
24
answers
53
questions
Communities
View all
About

Hi.

Badges
View all badges
This user doesn’t have any gold badges yet.
8
silver badges
22
bronze badges
Top tags
View all tags
13
Score
31
Posts
40
Posts %
5
Score
4
Posts
5
Posts %
5
Score
3
Posts
4
Posts %
2
Score
4
Posts
5
Posts %
2
Score
4
Posts
5
Posts %
1
Score
8
Posts
10
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
5
Show that the integer nearest to $\frac{n!}{e}$ $(n \geq 2)$ is divisible by $n − 1$ but not by $n$.
Feb 10, 2016
question
4
Embedding Sobolev $H^1$ into $L^\infty$ space
Apr 5, 2020
answer
4
Maximum value of $\sin A+\sin B+\sin C$?
May 10, 2016
question
4
translation invariant of integral on $\mathbb{R}$
May 8, 2016
question
3
Nonlinear ODE $\dot{X}(t)X(t)=B$
Oct 9, 2015
question
3
find min of $a+b$ given sum of $a\geq b\geq c\geq d$ is 9 and square sum is 21
Aug 18, 2019
question
3
A footnote about outer measure
Feb 8, 2016
question
3
Riemann type function continuity
Mar 15, 2016
answer
3
Is every set in $S$ measurable with respect to the outer measure induced by $\mu$
Feb 8, 2016
question
2
exponential commutes integral
Oct 19, 2015
Top network posts
View all network posts
16
Visualize the phase of complex square root with complicated cut

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.