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 Jul2 awarded Curious Oct23 answered Convergent subsequences of $x_n = \sin n$ and $y_n = \cos n$… Sep14 accepted Large cardinal and consistency: what are the main results today? Sep14 asked Large cardinal and consistency: what are the main results today? Sep11 comment Consider the polynomial $f(X) \in \mathbb{Z}[x]$ prove the following Oh, it was in $\mathbb{Z}$, but your comment is still valid and yes...it was very silly of me to make such a mistake. Thank you! Sep11 accepted Consider the polynomial $f(X) \in \mathbb{Z}[x]$ prove the following Sep11 revised Consider the polynomial $f(X) \in \mathbb{Z}[x]$ prove the following edited body Sep11 revised Consider the polynomial $f(X) \in \mathbb{Z}[x]$ prove the following added 71 characters in body Sep11 asked Consider the polynomial $f(X) \in \mathbb{Z}[x]$ prove the following Sep11 answered Consider the polynomial $f(X) \in \mathbb{Z}[x]$ prove the following Sep11 asked Characterize if a triangular matrix is diagonalizable by the values on the diagonal. Sep11 answered Characterize if a triangular matrix is diagonalizable by the values on the diagonal. Sep11 comment In $\mathbb{R}^3$ find the equation of the circle passing for three points. It's true, it's an ellipse because in my solution the center is the origin and that's the mistake, right? So to correct my procedure I should find the center, translate it in the origin, do what I did, translate everything back...right? Thank you for your easier solutions! Sep11 accepted In $\mathbb{R}^3$ find the equation of the circle passing for three points. Sep10 asked In $\mathbb{R}^3$ find the equation of the circle passing for three points. Sep10 answered In $\mathbb{R}^3$ find the equation of the circle passing for three points. Sep10 accepted Convergence of recursive sequence Sep9 revised Does $F$ have a local minimum at $0$? added 39 characters in body Sep9 asked Does $F$ have a local minimum at $0$? Sep9 answered Does $F$ have a local minimum at $0$?