Mathematics
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All Questions Answers
Score Newest
question
70
Is the product of symmetric positive semidefinite matrices positive definite?
Feb 27, 2012
answer
55
Eyebrow-raising pattern of number of primes between terms of the Fibonacci number sequence?
May 29, 2015
question
46
Do We Need the Axiom of Choice for Finite Sets?
Apr 16, 2012
answer
43
A simple way to obtain $\prod_{p\in\mathbb{P}}\frac{1}{1-p^{-s}}=\sum_{n=1}^{\infty}\frac{1}{n^s}$.
Jun 24, 2013
answer
35
If ord$(a)=m$, ord$(b)=n$ then does there exist $c$ such that ord $(c)=lcm(m,n)$?
Nov 3, 2011
answer
34
Proving that the dual of the $\mathcal{l}_p$ norm is the $\mathcal{l}_q$ norm.
Dec 27, 2012
answer
32
Interior of a convex set is convex
Aug 19, 2013
question
28
Moment generating functions/ Characteristic functions of $X,Y$ factor implies $X,Y$ independent.
Jan 26, 2013
question
26
Need help understanding separable polynomials
May 19, 2012
question
26
Does a closed and bounded set in $\mathbb{R}$ necessarily contain its supremum and infimum?
Oct 25, 2011
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Suggestion for changing LaTeX preview/compile frequency.
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Mark problems as "notify me if answer is posted"?
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Basic jq usage. How to get nested value
24
Vim: execute current file?
15
Solve a PDE on a domain $\Omega$ with given boundary conditions
14
How to create PDF of slides with audio?
13
How can I access Chrome's spell-check dictionary?

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