Mathematics
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Lukas's user avatar
Lukas's user avatar
Lukas
  • Member for 3 years, 1 month
  • Last seen this week
  • Germany
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About

German Masters student in Mathematics trying to help others and learn interesting things about mathematics.

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View all questions and answers
All Questions Answers
Score Newest
answer
17
Wrong but fun and/or useful "proofs" in linear algebra
Apr 16
answer
5
Connection between finiteness of dimension of a vector space and existence of a polynomial, such that P(T) is a zero map.
Nov 22, 2021
answer
5
How to show that $ M_n(\mathbb{R}) \cong \mathbb{R}^{n^2}?$
Apr 2, 2021
answer
4
Eigenvalue of self-adjoint
Dec 19, 2021
answer
4
How to prove this equality with rotation matrix
Dec 2, 2021
answer
3
Ricci Curvature under uniform scaling
May 4
answer
3
Is the following relation reflexive, symmetric and transitive?
Dec 24, 2021
answer
3
How many eigenvectors has a (this) 2x2 matrix?
Jan 18, 2022
answer
3
Using product rule to turn $\frac12$ $\frac{d}{dt}$ $x^2(t)$ into $x(t)x'(t)$
Mar 3
answer
3
Convergence of $\sum_{n=2}^{\infty} \frac{\log(n^3-7)}{n^2+2n}$ using the comparison test
Jan 24

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