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math.FA2026
Extreme points, positive Grothendieck constants and tensor product norms
Rajeev Gupta, Arpita Mal, Gadadhar Misra +1
We study several interrelated problems arising from the interplay between extreme point theory, Grothendieck-type inequalities, and tensor product norms. We develop a general frame…
math.FA2026
Linear maps in $\mathcal{L}(\ell_{\MakeLowercase{p}},\mathcal{Y}) $ preserving parallel and TEA pairs
Arpita Mal
A pair of vectors in a Banach space is said to be a triangle equality attaining (or TEA) pair if and a parallel pair if $\|x+λy\|=\|x\…