1d
reviewed Approve A big challenge on Number theory
2d
reviewed Leave Closed How to select the right books?
2d
reviewed No Action Needed Group theory applications along with a solved example
2d
reviewed Looks OK Blocks of Pyramid Pattern Expression
2d
reviewed Approve For any $p,q\in\mathbb{Z}[i]$, $\mathrm{N}(\gcd(p, q))$ must divide $\gcd(\mathrm{N}(p), \mathrm{N}(q))$
Dec
16
reviewed Looks OK How can I find a variable with known values and distance from variable?
Dec
9
reviewed Edit Can a multiplicatively closed subset contain zero?
Nov
1
reviewed Approve Ring of integers with prime numbers
Oct
28
reviewed Edit Prove that $\lim_{x→\infty}\sin(x)$ doesn't exist
Sep
22
reviewed Edit How to efficiently determine whether or not there is a collision between two 3D triangles?
Sep
18
reviewed Approve How to find identity and inverse for the group $(\mathbb{Z}, \ast)$, where $a \ast b = a+b-ab$
Sep
15
reviewed Edit If $A\subseteq B$ and $B\subseteq C$ then $A\subseteq C$.
Sep
10
reviewed No Action Needed Lagrange Multipliers to determine min and max
Sep
10
reviewed Approve Evaluating $\displaystyle\sum_{x=a}^b \left\lfloor {\frac{k}{x}} \right\rfloor$
Sep
10
reviewed Looks OK Axiom of infinity: What is an inductive set?
Sep
10
reviewed Looks OK Multiple integral 3 dimension
Aug
5
reviewed No Action Needed Calculating average over a year
May
22
reviewed Looks OK Intuition - Linear Congruence Theorem
May
13
reviewed Approve Ring properties proofs.
May
8
reviewed Looks OK Ellipse in polar coordinates