This seems to be a well known result in Banach space theory. It is referenced, for example, in Pietsch's book "History of Banach spaces and Linear Operator".
Where can I find a proof?
Who was the first to prove it?
Thanks in advance.
2026-04-09 07:19:06.1775719146
$\ell_q$ is not finitely representable in $\ell_p$ if $2<q<p$.
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