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Mathematics
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yunone
  • Member for 13 years, 11 months
  • Last seen more than 1 year ago
  • United States
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About

Just a regular student interested in math.

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

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Top posts
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67
If $a^2$ divides $b^2$, then $a$ divides $b$
Aug 15, 2012
63
Good books for a high schooler self-studying Abstract Algebra?
Nov 24, 2010
56
Union of the conjugates of a proper subgroup
Mar 18, 2012
51
Why is an empty function considered a function?
Jun 15, 2011
45
Showing the set of zero-divisors is a union of prime ideals
Jun 10, 2011
42
Is $f(x)=1/x$ continuous on $(0,\infty)$?
Nov 30, 2010
36
Does $k+\aleph_0=\mathfrak{c}$ imply $k=\mathfrak{c}$ without the Axiom of Choice?
Apr 1, 2011
35
Integral of $\frac{1}{(1+x^2)^2}$
Apr 29, 2011
33
Is every quotient of a finite abelian group $G$ isomorphic to some subgroup of $G$?
Sep 16, 2011
32
Is there a bijection between $(0,1)$ and $\mathbb{R}$ that preserves rationality?
Jan 15, 2011
Top Meta posts
2
4
16
Badge "unsung hero", accepted but not upvoted answer
7
Location change in my user profile
5
Regarding writing notes on M.S.E
5
Does one also get reputation for editing questions?
3
Should we answer questions related to untimed IQtests?
Top network posts
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148
Is there a preference of when to use \text and \mathrm?
54
Is it possible to skip the first line in a theorem environment?
28
Is there an easy way to TeX geometric pictures?
14
Using ] and [ as math symbols, not delimiters
14
Where does matter come from?