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Euclidean, hyperbolic, discrete, convex, coarse geometry, metric spaces, comparisons in Riemannian geometry, symmetric spaces.

12 votes
2 answers
500 views

Is there a parameterization of a neighbourhood of $x\in\mathbb{R}^n$ into two mutually ortho...

Let $M \subset \mathbb{R}^n$ be a differentiable submanifold with co-dimension $k$. Is there a parameterization of $\mathbb{R}^n$ of a neighbourhood of $x\in M$, so that the variables parameterizing $ …
Miranda Holmes-Cerfon's user avatar