Skip to main content
Mathematics
Jakobian's user avatar
Jakobian's user avatar
Jakobian's user avatar
Jakobian
  • Member for 6 years, 10 months
  • Last seen this week
Profile Activity
Stats
10,482
reputation
118k
reached
285
answers
113
questions
Communities
Badges
View all badges
2
gold badges
21
silver badges
44
bronze badges
Top tags
View all tags
206
Score
139
Posts
35
Posts %
126
Score
57
Posts
14
Posts %
80
Score
27
Posts
7
Posts %
60
Score
25
Posts
6
Posts %
55
Score
26
Posts
7
Posts %
52
Score
22
Posts
6
Posts %
Top posts
View all questions and answers
20
Does $\sum _{n=1}^{\infty }\frac{\left|\sin\left(n\right)\right|}{n}$ converge?
Jun 2, 2018
18
Example of a point that is not the limit of any sequence in a connected topological space
Feb 15
14
Does locally compact, locally connected, connected metrizable space admit a metric with connected balls?
Aug 25, 2023
14
Prove that $\left(1+2^{-1+b^{\left(\frac{1}{b-1}\right)}}\right)^b < 1+2^{-1+b^{\left(\frac{b}{b-1}\right)}}$ for all $b>2$.
Jul 3, 2020
13
Zero distance between a closed set and a bounded closed set which are disjoint in a metric space
Nov 2, 2023
13
Adjunction of pointed maps is a homeomorphism?
Dec 4, 2020
11
Why isn't $\int\limits_0^{\pi/2}\tan(2x)\ dx$ equal to zero?
Sep 12, 2018
10
Why is $\text{Homeo}_p(X)$ not a topological group for $X = \mathbb{R}^2$?
Jul 11, 2023
10
Prove that $\sin(1 + k^3) \not \to 0$
Aug 2, 2018
10
Recursive formula for number of $n\times m\times p$ cubes of $0$'s and $1$'s with a special property.
Jul 5, 2020