Common subspaces of L_(p)-spaces
classification
🧮 math.FA
keywords
spacessubspacesisometricspacezonoidsbanachcommoncompact
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For $n\geq 2, p<2$ and $q>2,$ does there exist an $n$-dimensional Banach space different from Hilbert spaces which is isometric to subspaces of both $L_{p}$ and $L_{q}$? Generalizing the construction from the paper "Zonoids whose polars are zonoids" by R.Schneider we give examples of such spaces. Moreover, for any compact subset $Q$ of $(0,\infty)\setminus \{2k, k\in N\},$ we can construct a space isometric to subspaces of $L_{q}$ for all $q\in Q$ simultaneously. This paper requires vanilla.sty
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