Graduate student mostly dabbling in algebraic geometry.

Jul
20
awarded Tumbleweed
Jul
13
asked Configurations of eleven (or more) points in the Euclidean plane, such that out of any four there is a pair at unit distance.
Jul
13
comment Prove that $\mathbb Z^n$ is not isomorphic to $\mathbb Z^m$ for $m\neq n$
@Martin Be my guest ;)
Jul
13
answered Prove that $\mathbb Z^n$ is not isomorphic to $\mathbb Z^m$ for $m\neq n$
Jul
13
comment Slicing up geometry to create triangles
How doe this relate to the original question?
Jul
12
revised Uniqueness of a configuration of $7$ points in $\Bbb R^2$ such that, given any $3$, $2$ of them are $1$ unit apart
deleted 32 characters in body
Jul
11
revised Uniqueness of a configuration of $7$ points in $\Bbb R^2$ such that, given any $3$, $2$ of them are $1$ unit apart
added 1378 characters in body
Jul
11
revised Uniqueness of a configuration of $7$ points in $\Bbb R^2$ such that, given any $3$, $2$ of them are $1$ unit apart
added 1378 characters in body
Jul
9
awarded Autobiographer
Jul
9
revised Uniqueness of a configuration of $7$ points in $\Bbb R^2$ such that, given any $3$, $2$ of them are $1$ unit apart
Restructured argument in final paragraph.
Jul
9
comment Does Euler's $\phi$ function have the same value in arbitrarily large subsets of $\mathbb{N}$?
This is true, but far from trivial. See math.uiuc.edu/~ford/wwwpapers/sierp.pdf
Jul
9
answered Uniqueness of a configuration of $7$ points in $\Bbb R^2$ such that, given any $3$, $2$ of them are $1$ unit apart
Jul
9
comment Seven points in the plane such that, among any three, two are a distance $1$ apart
@Hagen von Eitzen, your answer is very misleading (you claim the answer is 'No'), though the efforts you make are certainly helpful in answering the question in the affirmative. Could you please edit it to avoid confusion for future readers?
Jul
9
answered Interesting functional equation: $f(x)=\frac{x}{x+f\left(\frac{x}{x+f(x)}\right)}$
Jul
9
reviewed Approve suggested edit on How can I prove that this Group is Abelian?
Jul
9
answered How can I prove that this Group is Abelian?
Jul
9
answered Dihederal Group $D_{2n}$ Where $n$ is even/odd
Jul
9
revised trigonometric finite series equals to polynomial function
deleted 5 characters in body
Jul
9
answered trigonometric finite series equals to polynomial function
Jul
9
answered Quadratic field, $O_K/\mathfrak{p} = \mathbb{F}_p$, $O_K/pO_K$ is a finite field of order $p^2$.
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