We introduce three concepts, called 𝐼-vector, 𝐼𝑃-vector, and 𝑃-vector, which are related to isosceles orthogonality and Pythagorean orthogonality in normed linear spaces. Having the Banach-Mazur ...
Arguing that the standard situation for studying transitivity prompts correct but nontransitive conclusions, we compared the standard with two other situations which were more likely to require the ...
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