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math.FA2020
On Daugavet indices of thickness
Rainis Haller, Johann Langemets, Vegard Lima +2
Inspired by R. Whitley's thickness index the last named author recently introduced the Daugavet index of thickness of Banach spaces. We continue the investigation of the behavior o…
math.FA2020★ 9 cited
Daugavet- and Delta-points in absolute sums of Banach spaces
Rainis Haller, Katriin Pirk, Triinu Veeorg
A Daugavet-point (resp.~-point) of a Banach space is a norm one element for which every point in the unit ball (resp.~element itself) is in the closed convex hull of uni…