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May 18, 2022 at 4:59 vote accept Sijie Luo
May 16, 2022 at 6:26 comment added Sijie Luo Thank you very much for your kind suggestions, Prof. Johnson. In Section 3 of ”Three observations...” , Schechtman shown that only if $n\geq D^{\frac{-2p}{|p-2|k}}$, $l_{p}^{k}$ can be linearly embedded into $C_{p}^{n}$ with distortion at most $D$. This result is quite related to my question. However, I prefer to look for investigations of the following specific problem: Given $\varepsilon>0$ and $n$-dimensional subspace $X\subseteq C_{p}$, what is the smallest $N(\varepsilon,n)$ such that there exists a subspace $Y\subseteq C_{p}^{N(\varepsilon,n)}$ such that $d_{B-M}(X, Y)<1+\varepsilon$?
May 12, 2022 at 20:19 history answered Bill Johnson CC BY-SA 4.0