WarreG

### Questions (9)

 3 Does $f(A)^{°} \subseteq f(A^{°})$ hold in general for a continuous $f$? 3 if P = NP then N has an eigenspace that is at least rank(P)-dimensional. 2 Linear Algebra: A and B are matrices : if $A^2 = I$ and $B^2 = I$ then $(AB)^{-1} = BA$. 1 Visualization of open balls for different metric spaces 1 Prove that every set for the trivial metric is complete.

### Reputation (293)

This user has no recent positive reputation changes

 2 Evaluate a limit at infinity 1 Simplify integral considering only the real part 1 Is this version of integration by parts formula true? 0 The directional derivative of a given function $w = f (x, y)$ at point $Po (1, 2)$ 0 Showing $\ddot{x} = \frac{\mathrm{d}}{\mathrm{d}x}(\frac{1}{2} \dot{x}^2)$

### Tags (30)

 2 calculus × 2 1 sobolev-spaces 2 integration × 2 1 functional-analysis 2 limits 1 weak-derivatives 2 limits-without-lhopital 1 analysis 1 real-analysis × 3 1 complex-analysis

### Bookmarks (0)

This user has no bookmarked questions.