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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 -unconditional basis. A norm one element in a Banach space is a Daugavet-poin…
math.FA2020
Spaces C(K) with an equivalent URED norm
Antonio Avilés, Stanimir Troyanski
We prove that a Banach space of continuous functions has a renorming that is uniformly rotund in every direction (URED) if and only if the compact space supports a stric…