Andr'e Martiny

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20172022

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Showing 2020Show all

2 papers · 1 filter

math.FA2020

Delta-points in Banach spaces generated by adequate families

Trond A. Abrahamsen, Vegard Lima, André Martiny

We study delta-points in Banach spaces $h_{A, p}$ generated by adequate families $A$ where $1 \leq p < \infty$ . In the case the familiy $A$ is regular and…

math.FA2020

Daugavet- and delta-points in Banach spaces with unconditional bases

Trond A. Abrahamsen, Vegard Lima, André Martiny +1

We study the existence of Daugavet- and delta-points in the unit sphere of Banach spaces with a $1$ -unconditional basis. A norm one element $x$ in a Banach space is a Daugavet-poin…