Mathematics
anon's user avatar
anon's user avatar
anon's user avatar
anon
  • Member for 2 years, 10 months
  • Last seen this week
  • North Korea
Profile Activity
Stats
513
reputation
6k
reached
2
answers
82
questions
Communities
Badges
View all badges
This user doesn’t have any gold badges yet.
2
silver badges
11
bronze badges
Top tags
View all tags
0
Score
28
Posts
33
Posts %
0
Score
18
Posts
21
Posts %
0
Score
13
Posts
15
Posts %
0
Score
11
Posts
13
Posts %
0
Score
11
Posts
13
Posts %
0
Score
8
Posts
10
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
5
Why is the Compactness of an Operator so important? What is the use of compact operators in Mathematics?
Oct 21, 2021
question
4
What is the motivation behind the weak limit?
Oct 11, 2021
answer
3
Using Root Test to see whether $\sum_{n=1}^{\infty}\frac{n^{n+\frac{1}{n}}}{(n+\frac{1}{n})^{n}}$ converges
Mar 21
question
3
What is the motivation and intuition behind the symplectic form?
Oct 16, 2021
question
3
Calculate the fundamental group of a Klein bottle with two points removed
Dec 12, 2022
question
2
Let $T,S$ be unilateral shifts in $H,K$ and $A\in B(H,K)$ a contraction. If $S^*A=AT^*$, then why is $A$ a transposed infinite Toeplitz matrix?
Mar 20
question
2
How can I show that the Sobolev space $W_p^1 (a,b)$ is closed?
Apr 3, 2022
question
2
What's the name of this theorem: $\int_a^b|u_n-u|^pdt\rightarrow0\wedge\int_a^b|u_n'-v|^pdt\rightarrow0\Rightarrow u\in W_p^1(a,b) \ : \ u'=v$?
Mar 30, 2022
question
2
How can the spectrum of $A = \frac{d}{dx}$ in $C(\mathbb{R})$ be equal to $\mathbb{R}$, as for every $\lambda$ there exists a resolvent $R(\lambda)g$?
Mar 17, 2022
question
2
Find the solution of $u_t = \frac{\partial}{\partial x}(u^2 \cdot u_x)+q u^3$ for $u = P(t) \cdot Q(x)$
Oct 27, 2022

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.