dREaM
Reputation
371/400 score
3 38 88
Impact
~298k people reached

# 29,594 Reputation

197 today
 +85 1 hour ago 8 events Pythagorean theorem without roots! Old Tamilian (Indian) Statement +45 8 hours ago 4 events Show that $G:=\mathbb{Z}_{13}^*$ is cyclic +35 4 hours ago 3 events A grasshopper starts at the origin and is equally likely to hop north,s,e,w. What is the probability that it's coordinates will be 0,0 after 4 hops? +20 4 hours ago 2 events Proof for coloring combinations problem. (color vertices of pentagon) +10 1 hour ago upvote Let $n$ be a positive integer and $S$ the set of points $(x,y)$ in the plane, where $x$ and $y$ are non-negative integers such that $x + y < n$. +2 7 hours ago accept 2014 IMC first problem first day (eigenvalues of a product of symmetric matrices).
40 yesterday
 +40 17:45 4 events How to prove that series $\frac{1}{n+1}$, as $n\to \infty$ is zero.
15 2 days ago
 +15 20:21 accept Do I or don't I, have to verify the existence of the identity in a subgroup?
30 Jul 2
185 Jul 1
75 Jun 30
45 Jun 29
135 Jun 28
0 Jun 27
10 Jun 25
-10 Jun 24
10 Jun 23
30 Jun 22
10 Jun 21
30 Jun 20
25 Jun 19
145 Jun 18
41 Jun 17
40 Jun 16
10 Jun 14
5 Jun 12
-10 Jun 11
10 Jun 10
10 Jun 9
5 Jun 7
15 Jun 6
10 Jun 5
65 Jun 4
115 Jun 3
105 Jun 2