Mathematics
Arch's user avatar
Arch's user avatar
Arch's user avatar
Arch
  • Member for 8 years, 10 months
  • Last seen more than 7 years ago
Profile Activity
Stats
564
reputation
22k
reached
14
answers
7
questions
Communities
Badges
View all badges
This user doesn’t have any gold badges yet.
3
silver badges
13
bronze badges
Top tags
View all tags
5
Score
1
Posts
5
Posts %
4
Score
4
Posts
19
Posts %
4
Score
2
Posts
10
Posts %
4
Score
2
Posts
10
Posts %
1
Score
6
Posts
29
Posts %
1
Score
2
Posts
10
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
5
Division by zero
Jan 17, 2015
question
4
Can we live without neighborhood basis but with open neighborhood basis?
Jun 3, 2015
question
4
$f$ is continuous $\iff f(\bar A) \subset \overline{f(A)}$
Jun 22, 2015
answer
4
Galoisgroup of a polynomial
Feb 1, 2015
question
3
Continuos, surjective map $\pi$ is a quotient map $\iff$ $\pi$ sends saturated open to open or saturated closed to closed
Jun 20, 2015
answer
3
Determine inverse matrix of $\left(\begin{matrix} 0 & 3 \\ 0 & 6 \end{matrix} \right)$ using Gauss-Jordan method
Mar 11, 2015
answer
3
Continuity of $f(x) = x^2$ extended by $f(0)=1$
Mar 16, 2015
question
2
$U$ takes the same value on $\pi$ then $U$ is saturated
Jun 20, 2015
answer
2
Methods to find limits in $\mathbb{R}^2$
Apr 3, 2015
question
1
To intermediate field is Galois$\iff$ Galois group over intermediate field is a normal subgroup
Jan 19, 2015

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.