2,050 reputation
1625
bio website
location Brasil
age 26
visits member for 2 years, 5 months
seen 18 hours ago

Who am I?

Mathematician in the football, and Footballer in the maths.

Jew in German, Palestinian in Israel. Foreigner on Earth.

"Imagine there's no countries It isn't hard to do" John Lennon

@chessmath, you don't need to follow, fellow.


Jul
2
awarded  Curious
Jul
2
awarded  Inquisitive
May
17
answered Why this doesn't transform properly?
Apr
25
awarded  Popular Question
Feb
16
awarded  Yearling
Feb
14
awarded  Popular Question
Sep
25
comment error in a proof - basic general topology
Consider $X\subset R^n$. If a connected $C\subset R^n$ contains a point $a\in X$ and a point $b\notin X$ then $C$ must contain a point in the boundery of $X$.
Sep
25
answered How to solve for x if it is on the top of the fraction?
Sep
25
answered Does $\lim_{x\to 0}\sqrt{x}$ exist?
Sep
25
revised error in a proof - basic general topology
Only typos.
Sep
25
answered error in a proof - basic general topology
Sep
25
suggested suggested edit on error in a proof - basic general topology
Sep
24
accepted Spacelike curves definitions
Sep
24
comment Spacelike curves definitions
Great answers Willie! :)
Sep
24
comment Osculating circles intersecting a given point
Neither of these alternatives, the given a curve $\alpha$ s.t all osculating circles intersects the origin , then the curve $\alpha$ must be a circle.
Sep
24
asked Osculating circles intersecting a given point
Sep
23
answered Is $f$ measurable?
Sep
23
answered Equality question solution
Sep
23
asked Spacelike curves definitions
Sep
9
revised About Hessian of distance function
Just typos in the formulas.