Mathematics
Dirk's user avatar
Dirk's user avatar
Dirk's user avatar
Dirk
  • Member for 6 years, 11 months
  • Last seen more than 1 year ago
  • Aachen, Germany
Profile Activity
Stats
6,274
reputation
124k
reached
238
answers
2
questions
Communities
View all
Badges
View all badges
This user doesn’t have any gold badges yet.
10
silver badges
22
bronze badges
Top tags
View all tags
105
Score
31
Posts
13
Posts %
99
Score
44
Posts
18
Posts %
54
Score
14
Posts
6
Posts %
46
Score
18
Posts
8
Posts %
27
Score
24
Posts
10
Posts %
26
Score
14
Posts
6
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
30
If $A$ and $B$ are matrices such that $AB^2=BA$ and $A^4=I$ then find $B^{16}$.
Jun 22, 2017
answer
20
How would antique math books compare to modern books?
Apr 13, 2017
answer
13
If I am 80% sure, is there an 80% chance that I'm right?
Dec 11, 2017
answer
12
Does there exist $n\in\mathbb{N}$ such that $5^n-2^n$ is a perfect square?
Jan 27, 2020
answer
10
What are the finite fields for which -1 is not a square?
Jun 19, 2017
answer
10
What does QR decomposition have to do with least squares method?
Apr 12, 2019
answer
9
can a Linear operator on infinite dimensional vector space have infinite eigenvalues?
Mar 22, 2019
answer
9
What fields between the rationals and the reals allow to define the usual 2D distance?
Mar 21, 2019
answer
6
More `General' Chinese Remainder Theorem
May 3, 2017
answer
6
Question about (probably false) elementary proof of Fermat's Last Theorem
Jun 28, 2017
Top network posts
View all network posts
135
How to deal with people whose priority is to not get blamed?
54
How to train students to write high-quality research papers?
48
Thriving in a competitive lab
40
Is it legal for me to write my thesis in my native English and have it translated to German at the end?
36
What if your advisor does not know anything about your research field?

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.