11,089 reputation
11230
bio website math.brown.edu/~lubinj
location Minnesota
age 77
visits member for 2 years, 6 months
seen 1 hour ago

Aged mathematician


1d
answered To find the distance of a point from ellipse
2d
answered Methods for finding Number of roots in $\mathbb{Q}_{p}$ for a polynomial
2d
answered Common perpendicular
Apr
16
answered General methods for solving p-adic inequality $|a^2+b|_{p}<p^{-k}$ for $a\in \mathbb{Z}$
Apr
15
answered Characterizing the Galois group using permutations of roots
Apr
14
answered $2$-adic inverse of $3$
Apr
13
answered What does root of unity in $\mathbb{Z}_p$ look like?
Apr
11
answered Is convex hull of a finite set of points in $\mathbb R^2$ closed?
Apr
11
answered The number of rational solutions to the cubic analogue of Pell's equation
Apr
9
answered Do spherical triangles with the same base and altitude have the same height?
Apr
7
answered $F$ is a finite field of size $s$. Prove that if $s=2^m$ for some $m>0$, then all elements of F have a square root.
Apr
5
answered Connections between prime numbers and geometry
Apr
3
answered Lost on Galois Group over $\mathbb{Q}(i)$ Question.
Mar
28
answered $\mathbb{Q}(\sqrt[3]{2})\cap\mathbb{Q}(\sqrt[3]{5})=\mathbb{Q}$?
Mar
27
answered Rigorous Proof: Circle cannot be embedded into the the real line!
Mar
25
answered What does it take to get a job at a top 50 math program in the U.S.?
Mar
25
answered Prove: 2^(1/3) cannot be written in terms of any given root of unity
Mar
25
answered roots of complex numbers $z^2$
Mar
20
answered Solving ${\sqrt2}^{\,x} = {\sqrt3}^{\,x}$
Mar
20
answered Equation for calculating azimuth between two points