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The numerical-index conjecture for two-dimensional real \ell_p spaces
Let $\ell_p^2$ be the two-dimensional real $\ell_p$ space, let $n(\ell_p^2)$ denote its numerical index, and let … be the rotation by $90^\circ$ . The numerical-index conjecture. Th…
Conjectureopenbanach-spaces ell-p-spaces numerical-indexarXiv posted 2 days ago

The numerical-index conjecture for two-dimensional real \ell_p spaces