607 reputation
314
bio website
location Philadelphia, PA
age
visits member for 2 years
seen Jun 9 '13 at 23:09

"Mathematics is a collection of cheap tricks and dirty jokes" - Lipman Bers

"Mathematics is not a spectator sport" - George Polya

"A mathematician is a machine for turning coffee into theorems" - Alfred Renyi


Oct
6
awarded  Yearling
Sep
30
awarded  Explainer
Sep
24
awarded  Autobiographer
Oct
6
awarded  Yearling
Nov
9
reviewed Reviewed Polynomial time for a graph algorithm
Nov
8
reviewed Reviewed Time-derivative of an operator
Nov
8
reviewed Reviewed Find amicable pair numbers of the from $m = 2^{k}a, n = 2^{k}bc$, where $k < 35$ and a, b, c are odd primes?
Nov
8
reviewed Reviewed IMO 2011 problem 6 Geometry
Nov
8
reviewed Reviewed bound on Hilbert transform
Nov
7
reviewed Reviewed Is $\mathcal P(X)$ connected when $(X,\mathcal P(X),m)$ is a measure space and $P(X)$ is equipped with the metric $d(A,B) =m(A\Delta B)$?
Nov
7
reviewed Reviewed Good examples of double induction
Nov
6
reviewed Reviewed Putting a group structure so that permutation becomes automorphism
Nov
6
reviewed Reviewed Group homomorphisms
Nov
6
reviewed Reviewed Calculus of variations question from Darcogona
Nov
5
reviewed Reviewed Bijection $f : \mathbb{N} \rightarrow \mathbb{A}$ from naturals to algebraics
Nov
5
reviewed Reviewed Counting Different Ways of Summing Numbers
Nov
5
reviewed Reviewed Known facts about a function
Nov
4
awarded  Enthusiast
Nov
3
reviewed Reviewed Proof for divisibility by $7$
Nov
2
comment In a finite abelian group of order n, must there be an element of order n?
"If a group has order $n$ and $p$ is a prime dividing $n$, then there is an element of the group of order $p$". This is known as Cauchy's Theorem.