Lipschitz Embeddings of Metric Spaces into $c_0$
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abstract
Let $M$ be a separable metric space. We say that $f=(f_n):M o c_0$ is a good-$lambda$-embedding if, whenever $x,yin M$, $x e y$ implies $d(x,y)leVert f(x)-f(y)Vert$ and, for each $n$, $Lip(f_n)