Mathematics
MathStudent1324
  • Member for 4 years, 11 months
  • Last seen more than 1 year ago
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6
Prove that $R[x]$ is an integral domain if and only if $R$ is an integral domain. [duplicate]
Jan 13 '18
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 '18
3
Inverse image of compact set under continuous function compact?
Feb 19 '18
3
$x^2+y^2-1$ irreducible in $\mathbb{Q}[x,y]$? [duplicate]
Apr 10 '17
3
Does $\sum_{n\geq 1}\left(\frac{1+2i}{\sqrt{5}}\right)^n$ converge?
May 24 '17
3
Show $\mathbb{Q}$ is not a projective $\mathbb{Z}$ module.
May 3 '18
3
Show that short exact sequence of abelian groups $0\to A\to B\to\mathbb{Z}\to 0$ is split.
May 9 '18
2
Given Pullback of $R$-modules, show that if $f$ is injective, then $\alpha$ is injective
May 4 '18
2
Having difficulty in understanding how $M\setminus (B \cap T) = (M\setminus B)\cup (M\setminus T)$.
Oct 14 '17
2
How to find the maximal volume of a rectangular box given a fixed surface area?
Feb 8 '17
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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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