Pedro Mart'in

activity

20142026

most citedThe 2-center problem and ball operators in strictly convex normed planes

1 citations · 1 across the 4 of their papers we have counts for

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2 papers · 1 filter

math.FA2026

Some results on the Dunkl-Williams constant

Javier Alonso, Pedro Martín

This paper presents a compilation of various formulas for calculating the Dunkl-Williams constant $D W (X)$ of a real normed linear space. The constant $D W_{B} (X)$ related to Birkhoff…

math.FA2017

Inscribed Polygons that Characterize Inner Product Spaces

Carlos Benítez, Pedro Martín, Diego Yáñez

Let $X$ be a real normed space with unit sphere S. We prove that $X$ is an inner product space if and only if there exists a real number $ρ = (1 + cos \frac{2 k π}{2 m + 1}) /2$ , $(k=…