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Jens Schwaiger

University of Graz, Department of Mathematics

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6 If $f(x)^2=x+(x+1)f(x+2)$, what is $f(1)$? Mar 31 '18
5 Prove that $\forall n \geq 1$ there exists a field containing $n$ subfields Apr 13 '18
4 Show that $A \in M_n$ and $B \in M_n$ need not be equal if $x^TAx = x^TBx$ for all $x \in \mathbb{C}^n$. Apr 14 '18
4 Complex Analysis-Mathematics #5 Mar 8 '18
4 The set of all vector spaces Jul 30 '20
3 How to show that $\sqrt[n]{3}$ is not a real root of a polynomial of degree $<n$, where $n\geq 2$. Jun 2 '20
3 Show $\sum_{k=0}^n\frac{c_k}{(n-k)!}=1$ where $\sum_{n=0}^{\infty}c_nx^n=\frac{e^{-x}}{1-x}$ Jun 10 '20
3 If $a$ belongs to an extension field of $F$ and $f(a)$ is algebraic over $F$, then $a$ is algebraic over $F$. Jul 9 '20
3 Exotic Function with Log Property Jan 27 '20
3 Understanding Wiki proof - Least upper bound property Mar 31 '20
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