Arturo Magidin

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157,835 reputation
14250501
bio website ucs.louisiana.edu/~avm1260
location Lafayette, LA
age 43
visits member for 2 years, 9 months
seen Oct 17 '12 at 15:32
stats profile views 32,256

I'm gone for the foreseeable future.


3,329 Answers

newest activity votes
394
Is $dy/dx$ not a ratio?
84
Value of $\sum\limits_n x^n$
83
What makes $9$ special?
73
Zero to the zero power - Is $0^0=1$?
71
Division by $0$
68
In (relatively) simple words: What is an inverse limit?
63
Why would I want to multiply two polynomials?
53
Understanding Gödel's Incompleteness Theorem
52
Do odd imaginary numbers exist?
50
What is the importance of eigenvalues/eigenvectors?
48
Why are the solutions of polynomial equations so unconstrained over the quaternions?
46
Is there a name for this strange solution to a quadratic equation involving a square root?
46
Infinity = -1 paradox
42
Prove that every year has at least one Friday the 13th
42
Center-commutator duality
41
Pseudo Proofs that are intuitively reasonable
41
Something that I found, and would like to see if it's known.
40
Integration by partial fractions; how and why does it work?
40
Does every set have a group structure?
40
What's the goal of mathematics?
40
Dominoes and induction, or how does induction work?
39
Why do we define quotient groups for normal subgroups only?
39
Why is the area under a curve the integral?
39
How does Cantor's diagonal argument work?
38
Why did mathematicians take Russell's paradox seriously?
38
Is there a quick proof as to why the vector space of $\mathbb{R}$ over $\mathbb{Q}$ is infinite-dimensional?
36
Lebesgue integral basics
35
Norms Induced by Inner Products and the Parallelogram Law
35
Why is one “$\infty$” number enough for complex numbers?
34
Why is it that $\mathbb{Q}$ cannot be homeomorphic to _any_ complete metric space?
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