Mathematics
zhw.'s user avatar
zhw.'s user avatar
zhw.'s user avatar
zhw.
  • Member for 8 years, 8 months
  • Last seen this week
Profile Activity
Stats
105,053
reputation
1.7m
reached
4,091
answers
2
questions
Communities
About

Cauchy is mad and there is nothing that can be done about him, although, right now, he is the only one who knows how mathematics should be done. – Abel

Badges
View all badges
6
gold badges
56
silver badges
109
bronze badges
Top tags
View all tags
4,195
Score
2,391
Posts
58
Posts %
1,514
Score
838
Posts
20
Posts %
1,085
Score
708
Posts
17
Posts %
994
Score
535
Posts
13
Posts %
959
Score
556
Posts
14
Posts %
667
Score
395
Posts
10
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
78
How to show $\ \int_1^\infty\frac1xdx\ $ diverges (not using the harmonic series)?
Jul 16, 2015
answer
36
Does there exists an entire function $f: \mathbb C \to \mathbb C$ which is bounded on real line and imaginary line?
Jun 28, 2015
answer
27
Intuitively understanding Fatou's lemma
Aug 12, 2016
answer
26
Proof that $\sqrt x$ is absolutely continuous.
Nov 23, 2015
answer
25
What's wrong with l'Hopital's rule?
May 17, 2015
answer
22
Let $S\subset [0,1]^2$ be uncountable. Is there a line which contains infinitely many points of $S$?
Sep 30, 2017
answer
21
Help on a Putnam Problem from the 90s
Oct 6, 2016
answer
21
$f \in L^1$, but $f \not\in L^p$ for all $p > 1$
Nov 14, 2015
answer
19
Is there a continuous function from $[0,1]$ to $\mathbb R$ that satisfies
Aug 30, 2015
answer
19
Show that $f$ is the zero function if $f''(x)=f(x)$ and $f(0)=f'(0)=0$
Dec 2, 2016

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.