GivAlz
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### Questions (11)

 7 Map between $SO(n)$ is homotopic to the identity? 6 Large cardinal and consistency: what are the main results today? 5 Prove that $T: \mathbb{R}^2 \rightarrow \mathbb{R}^2$ is a bijection 4 Evaluate $\lim_{n\to\infty}\int_0^k \frac{1-\sin(\frac{n}{x})}{\sqrt{x^2+1/n}}dx\;$ 2 Does $F$ have a local minimum at $0$?

### Reputation (300)

 +5 Prove that $T: \mathbb{R}^2 \rightarrow \mathbb{R}^2$ is a bijection +35 Map between $SO(n)$ is homotopic to the identity? +10 Large cardinal and consistency: what are the main results today? +10 Convergent subsequences of $x_n = \sin n$ and $y_n = \cos n$…

 1 Convergent subsequences of $x_n = \sin n$ and $y_n = \cos n$… 1 Does $F$ have a local minimum at $0$? 1 Cases when the intermediate value theorem is true 0 Consider the polynomial $f(X) \in \mathbb{Z}[x]$ prove the following 0 Characterize if a triangular matrix is diagonalizable by the values on the diagonal.

### Tags (21)

 2 calculus × 6 1 trigonometry 1 sequences-and-series × 3 0 linear-algebra × 4 1 functions × 2 0 polynomials × 3 1 real-analysis × 2 0 matrices × 2 1 convergence 0 geometry × 2

### Accounts (2)

 Mathematics 300 rep 17 Stack Overflow 106 rep 2