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MathStudent1324
  • Member for 5 years, 4 months
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question
6
Prove that $R[x]$ is an integral domain if and only if $R$ is an integral domain. [duplicate]
Jan 13, 2018
question
4
Prove that the field $k(x)$ of rational functions over $k$ in the variable $x$ is not a finitely generated $k$-algebra.
Jan 17, 2018
question
3
Inverse image of compact set under continuous function compact?
Feb 19, 2018
question
3
$x^2+y^2-1$ irreducible in $\mathbb{Q}[x,y]$? [duplicate]
Apr 10, 2017
question
3
Does $\sum_{n\geq 1}\left(\frac{1+2i}{\sqrt{5}}\right)^n$ converge?
May 24, 2017
question
3
Show $\mathbb{Q}$ is not a projective $\mathbb{Z}$ module.
May 3, 2018
question
3
Show that short exact sequence of abelian groups $0\to A\to B\to\mathbb{Z}\to 0$ is split.
May 9, 2018
question
2
Given Pullback of $R$-modules, show that if $f$ is injective, then $\alpha$ is injective
May 4, 2018
question
2
Show that the digital line topology on the integers is connected.
Feb 28, 2018
question
2
How to find the maximal volume of a rectangular box given a fixed surface area?
Feb 8, 2017
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As adjunct faculty at four-year university, with no PhD, what should I have my students call me?

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