Mathematics
user avatar
user avatar
user avatar
JZS
  • Member for 9 years, 5 months
  • Last seen this week
Profile Activity
Stats
4,456
reputation
75k
reached
16
answers
147
questions
Communities
Badges
View all badges
1
gold badge
16
silver badges
39
bronze badges
Top tags
View all tags
15
Score
42
Posts
26
Posts %
6
Score
29
Posts
18
Posts %
3
Score
43
Posts
26
Posts %
3
Score
15
Posts
9
Posts %
1
Score
17
Posts
10
Posts %
0
Score
15
Posts
9
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
36
Show that a proper continuous map from $X$ to locally compact $Y$ is closed
Sep 22, 2013
question
13
Finding $\displaystyle \lim_{n \to \infty} \int_0^\infty \frac{e^{-x}\cos{x}}{nx^2 + \frac{1}{n}}dx$
Jan 5, 2013
question
12
Determine $\lim\limits_{n \to \infty}{{n} \choose {\frac{n}{2}}}\frac{1}{2^n}$, where each $n$ is even
Jan 28, 2013
answer
11
Cauchy sequences - can we control the rate at which elements "get closer"?
Jul 24, 2014
question
10
For $f$ entire and $\{f(kz) : k \in \mathbb{C}\}$ a normal family, prove that $f$ is a polynomial.
Jun 17, 2013
question
9
Approximation of a harmonic function on the unit disc by harmonic polynomials.
Jun 12, 2013
question
9
For a Hilbert space $\mathcal{H}$, is every bounded linear operator on $\mathcal{H}$ a linear combination of unitary operators?
Aug 14, 2014
question
8
Show that a positive operator on a complex Hilbert space is self-adjoint
Nov 10, 2013
question
8
Give an example of two closed sets $A, B \subseteq \mathbb{R}$ such that the set $A + B $ is not closed [duplicate]
Dec 30, 2012
question
8
Does $r(x) >0$ almost everywhere imply $r(x) > 1/k > 0$ almost everywhere on an open set, some $k \in \mathbb{N}$?
Aug 9, 2021

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.