4,723 reputation
923
bio website math.uwaterloo.ca/~j2rosen
location Waterloo, Ontario
age 29
visits member for 2 years
seen 7 hours ago

I am a postdoctoral fellow in the department of Pure Mathematics at the University of Waterloo


1d
reviewed Approve suggested edit on $\sum\limits_{n=1}^\infty n(\frac{1}{2})^{n}$
Apr
9
reviewed Approve suggested edit on Confusion related to k neighborly polytope
Apr
6
reviewed Approve suggested edit on Parabolic Branch Cut
Apr
6
reviewed Approve suggested edit on contour integration of a function with two branch points .
Apr
5
awarded  Yearling
Apr
2
reviewed Approve suggested edit on Bounding $\sum_{n=n_1}^\infty x^n (n+1)^2$
Mar
18
reviewed Approve suggested edit on Corollary 3.3.15 in Bruns and Herzog, Cohen-Macaulay Rings (self-contained question)
Mar
16
reviewed No Action Needed Proof of $(A-B) \cup (B-A) = (A-C) \cup (C-A)$ then $B=C$
Mar
16
awarded  Citizen Patrol
Mar
14
reviewed Approve suggested edit on If $(n_k)$ is strictly increasing and $\lim_{n \to \infty} n_k^{1/2^k} = \infty$ show that $\sum_{k=1}^{\infty} 1/n_k$ is irrational
Mar
12
reviewed Approve suggested edit on How to prove that for all natural numbers, $4^n > n^3$?
Mar
12
reviewed Approve suggested edit on How can I find the value of $\ln( |x|)$ without using the calculator?
Mar
11
reviewed Approve suggested edit on Sets of integers in the form $a^2 + 4ab + b^2$
Mar
10
reviewed Reject suggested edit on Let $a_1,a_2,\ldots,a_{100}$ be real numbers,each less than one,satisfy $a_1+a_2+\ldots+a_{100} >1$.
Mar
9
reviewed Approve suggested edit on Prove that $gcd(a, b) = gcd(a, b + ma)$?
Mar
9
reviewed Approve suggested edit on Isomorphism between quotient ring and its localization
Mar
9
reviewed Approve suggested edit on Suppose that $x$ and $y$ satisfy $\frac{x}{2} + \frac{y}{3} = 1$. Prove that $x^2 + y^2 > 1$.
Mar
8
reviewed Approve suggested edit on Perturbation theory for algebraic equations
Mar
8
reviewed Approve suggested edit on Find a pdf of a function of a random variable
Mar
8
reviewed Approve suggested edit on Linear Constant Coefficient Different Equation