Mathematics
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yunone

Just a regular student interested in math.

I used to think I was smart, and then I met the mathematicians.

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  • Member for 10 years, 6 months
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  • Last seen Jan 14 '18 at 10:33

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63 Good books for a high schooler self-studying Abstract Algebra? Nov 24 '10
61 If $a^2$ divides $b^2$, then $a$ divides $b$ Aug 15 '12
43 Union of the conjugates of a proper subgroup Mar 18 '12
40 Why is an empty function considered a function? Jun 15 '11
39 Is $f(x)=1/x$ continuous on $(0,\infty)$? Nov 30 '10
35 Does $k+\aleph_0=\mathfrak{c}$ imply $k=\mathfrak{c}$ without the Axiom of Choice? Apr 1 '11
35 Showing the set of zero-divisors is a union of prime ideals Jun 10 '11
35 Integral of $\frac{1}{(1+x^2)^2}$ Apr 29 '11
29 Is there a bijection between $(0,1)$ and $\mathbb{R}$ that preserves rationality? Jan 15 '11
26 Is every quotient of a finite abelian group $G$ isomorphic to some subgroup of $G$? Sep 16 '11
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