BLBA

### Questions (77)

 9 Extension of Baire's Theorem 8 Bi-Hölder embeddings of finite metric spaces 7 Non-density of continuous functions to interior in set of all continuous functions 7 Reference: Hajlasz-Sobolev Spaces with Values in a Metric Space 6 When is the Radon-Nikodym derivative locally essentially bounded

### Reputation (1,810)

 -2 Density of $C(X,\operatorname{co}\{\delta_y\}_{y \in Y})$ in $C(X,\mathcal{P}(Y))$ +80 Bi-Hölder embeddings of finite metric spaces +20 Prove that fractional Brownian motion is not a semimartingale using the p-variation +2 What are the open subsets of $\mathbb{R}^n$ that are diffeomorphic to $\mathbb{R}^n$

 2 Prove that fractional Brownian motion is not a semimartingale using the p-variation 2 $L^{\infty}$ as colimit

### Tags (102)

 2 fa.functional-analysis × 35 2 locally-convex-spaces 2 stochastic-processes × 12 2 brownian-motion 2 banach-spaces × 9 2 martingales 2 limits-and-colimits × 5 0 gn.general-topology × 21 2 ct.category-theory × 5 0 pr.probability × 18

### Bookmarks (182)

 332 Not especially famous, long-open problems which anyone can understand 206 If $f$ is infinitely differentiable then $f$ coincides with a polynomial 193 How can a mathematician handle the pressure to discover something new? 155 Do you know important theorems that remain unknown? 91 What's a great christmas present for someone with a PhD in Mathematics?