Dominic Michaelis

11,727 reputation

11751

bio	website	facebook.com/…
	location	Germany
	age	21
visits	member for	3 months
	seen	11 mins ago
stats	profile views	1,470

I study physics at the "Technische Universität Darmstadt", but I spend most time doing math. My favorite topics are Topology and Algebra, even though my knowledge there is strictly limitated.

	11,727 reputation	bio	website	facebook.com/…	visits	member for	3 months
11751 badges		location	Germany		seen	11 mins ago

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404 Answers

votes activity newest

31	Critiques on proof showing $\sqrt{12}$ is irrational.
20	How to determine the exact value of $\sin(585^\circ)$?
19	Could I be using proof by contradiction too much?
14	Find $\lim\limits_{n \rightarrow \infty}\dfrac{\sin 1+2\sin \frac{1}{2}+\cdots+n\sin \frac{1}{n}}{n}$
14	Why metric space is topological space and examples of non-Hausdorff spaces

11,727 Reputation

+40	Proving if $f(x)$ is differentiable at $x = x_0$ then $f(x)$ is continuous at $x = x_0$.
+10	If $f$ is analytic in a disk $\|z\|<R$ then so is $g(z)=\overline{f(\bar z)}$ in the disk
+40	Finding the Fourier Series of $\sin(x)^2\cos(x)^3$
+15	How to determine the exact value of $\sin(585^\circ)$?

8 Questions

votes activity newest

102	Nice examples of groups which are not obviously groups
22	Showing a filter on the Power set of $\mathbb{Z}$ is a one point Filter
22	Is every function with the intermediate value property a derivative?
17	Does $\sin(x)=y$ have a solution in $\mathbb{Q}$ beside $x=y=0$
8	Topological way to show , if $X$ finite than there is no bijection to $X\setminus{x}$ while $x\in X$

142 Tags

175 calculus × 67	92 matrices × 33
173 real-analysis × 73	90 complex-analysis × 39
140 linear-algebra × 60	89 limit × 31
105 homework × 51	72 proof-writing × 11
95 sequences-and-series × 39	60 analysis × 20

4 Accounts

$Mathematics Stack Exchange$	Mathematics	11,727 rep	11751
	Mathematica	312 rep	9
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	239 rep	9
	German Language & Usage	101 rep	1