Mathematics
mathemagician's user avatar
mathemagician's user avatar
mathemagician's user avatar
mathemagician
  • Member for 11 years
  • Last seen more than 1 year ago
  • USA
Profile Activity
Stats
3,160
reputation
309k
reached
87
answers
40
questions
Communities
View all
About

Graduate student in economics with an interest in mathematics, coding, personal finance and law.

Badges
View all badges
1
gold badge
18
silver badges
27
bronze badges
Top tags
View all tags
32
Score
29
Posts
23
Posts %
23
Score
9
Posts
7
Posts %
20
Score
9
Posts
7
Posts %
15
Score
8
Posts
6
Posts %
8
Score
15
Posts
12
Posts %
8
Score
7
Posts
6
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
22
Why is the empty set a subset of every set?
Jan 29, 2014
question
19
definition of limsup of a function
Oct 20, 2013
answer
16
Of any 52 integers, two can be found whose difference of squares is divisible by 100
Dec 12, 2013
answer
13
Show $15x^{2} - 7y^{2} = 9$ has no integer solutions
Jan 11, 2013
answer
10
Problem with unbiased but not consistent estimator
Jan 17, 2013
answer
8
prove that the unit circle $x^2+y^2=1$ is a closed set
May 12, 2013
question
7
limit of Holder norms: $\sup\limits_{x\in [a,b]} f(x) = \lim\limits_{n\rightarrow\infty} \left(\int_a^b (f(x))^n \;dx\right)^{\frac{1}{n}}$ [duplicate]
Dec 19, 2012
answer
7
Deduce that there exists a prime $p$ where $p$ divides $x^2 +2$ and $p≡3$ (mod 4)
May 15, 2013
answer
7
Inequality on the side lengths of a triangle: $\left| \frac{a}{b} + \frac{b}{c} + \frac{c}{a} - \frac{a}{c} - \frac{b}{a} - \frac{c}{b} \right| < 1$.
Jan 23, 2013
answer
6
Let $a, b$ and $c$ be the lengths of the sides of an arbitrary triangle. Pick out the true statements.
Jan 17, 2013
Top network posts
View all network posts
57
What happens if one brings more than 10,000 USD with them into the US?
5
How is an inquiry on the credit report different from checking credit score?
5
Does an index have a currency?

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.