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Arturo Magidin
Lafayette, LA
ucs.louisiana.edu/~avm1260
Age: 43
I'm gone for the foreseeable future.
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Top Questions
54
votes
Does this property characterize a space as Hausdorff?
general-topology
asked Nov 11 '10 at 6:15
math.stackexchange.com
18
votes
Moving the flag for comments to the right
feature-request
status-completed
user-interface
flagging-comments
asked May 4 '11 at 17:39
meta.stackoverflow.com
16
votes
Isomorphic quotients by isomorphic normal subgroups
group-theory
finite-groups
examples-counterexamples
asked May 23 '11 at 18:02
math.stackexchange.com
11
votes
Error message when trying to review old reputation days
bug
status-completed
asked Nov 23 '11 at 16:36
meta.stackoverflow.com
8
votes
What does the green rectangle next to questions in the reputation page mean?
support
bug
status-completed
reputation
asked Jun 17 '11 at 17:05
meta.stackoverflow.com
7
votes
Drop-down summary reputation did not zero out when new day began
support
bug
status-declined
asked Oct 27 '11 at 13:25
meta.stackoverflow.com
Top Answers
393
Is $dy/dx$ not a ratio?
math.stackexchange.com
84
Value of $\sum\limits_n x^n$
math.stackexchange.com
83
What makes $9$ special?
math.stackexchange.com
73
Zero to the zero power - Is $0^0=1$?
math.stackexchange.com
71
Division by $0$
math.stackexchange.com
68
In (relatively) simple words: What is an inverse limit?
math.stackexchange.com
63
Why would I want to multiply two polynomials?
math.stackexchange.com
53
Understanding Gödel's Incompleteness Theorem
math.stackexchange.com
52
Do odd imaginary numbers exist?
math.stackexchange.com
50
What is the importance of eigenvalues/eigenvectors?
math.stackexchange.com
48
Why are the solutions of polynomial equations so unconstrained over the quaternions?
math.stackexchange.com
46
Infinity = -1 paradox
math.stackexchange.com
46
Is there a name for this strange solution to a quadratic equation involving a square root?
math.stackexchange.com
42
Center-commutator duality
math.stackexchange.com
42
Prove that every year has at least one Friday the 13th
math.stackexchange.com
41
Something that I found, and would like to see if it's known.
math.stackexchange.com
41
Pseudo Proofs that are intuitively reasonable
math.stackexchange.com
40
Dominoes and induction, or how does induction work?
math.stackexchange.com
40
Integration by partial fractions; how and why does it work?
math.stackexchange.com
40
What's the goal of mathematics?
math.stackexchange.com
40
Does every set have a group structure?
math.stackexchange.com
39
Why is the area under a curve the integral?
math.stackexchange.com
39
How does Cantor's diagonal argument work?
math.stackexchange.com
38
Is there a quick proof as to why the vector space of $\mathbb{R}$ over $\mathbb{Q}$ is infinite-dimensional?
math.stackexchange.com
38
Why do we define quotient groups for normal subgroups only?
math.stackexchange.com
38
Why did mathematicians take Russell's paradox seriously?
math.stackexchange.com
36
Lebesgue integral basics
math.stackexchange.com
35
Norms Induced by Inner Products and the Parallelogram Law
math.stackexchange.com
35
Why is one “$\infty$” number enough for complex numbers?
math.stackexchange.com
34
Why is it that $\mathbb{Q}$ cannot be homeomorphic to _any_ complete metric space?
math.stackexchange.com
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