Skip to main content
Mathematics
nullUser's user avatar
nullUser's user avatar
nullUser's user avatar
nullUser
  • Member for 14 years, 6 months
  • Last seen more than 1 year ago
Profile Activity

Stats

29,003
reputation
1.6m
reached
575
answers
173
questions
Communities
View all

Badges

View all badges
9
gold badges
82
silver badges
141
bronze badges

Top tags

View all tags
413
Score
155
Posts
21
Posts %
194
Score
92
Posts
12
Posts %
185
Score
108
Posts
14
Posts %
148
Score
108
Posts
14
Posts %
135
Score
60
Posts
8
Posts %
102
Score
39
Posts
5
Posts %

Top posts

View all questions and answers
80
Is the product of symmetric positive semidefinite matrices positive definite?
Feb 27, 2012
58
Do We Need the Axiom of Choice for Finite Sets?
Apr 16, 2012
56
Eyebrow-raising pattern of number of primes between terms of the Fibonacci number sequence?
May 29, 2015
47
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
39
Interior of a convex set is convex
Aug 19, 2013
37
Proving that the dual of the $\mathcal{l}_p$ norm is the $\mathcal{l}_q$ norm.
Dec 27, 2012
36
If ord$(a)=m$, ord$(b)=n$ then does there exist $c$ such that ord $(c)=lcm(m,n)$?
Nov 3, 2011
30
Moment generating functions/ Characteristic functions of $X,Y$ factor implies $X,Y$ independent.
Jan 26, 2013
27
Need help understanding separable polynomials
May 19, 2012
27
Does a closed and bounded set in $\mathbb{R}$ necessarily contain its supremum and infimum?
Oct 25, 2011

Top Meta posts

4
0
13
Suggestion for changing LaTeX preview/compile frequency.
13
Mark problems as "notify me if answer is posted"?
8
User identification privacy
6
Anonymizing questions/answers

Top network posts

View all network posts
30
Basic jq usage. How to get nested value
26
Vim: execute current file?
15
Solve a PDE on a domain $\Omega$ with given boundary conditions
15
Example of sequences with different limits for two norms
14
Configure tor as proxy