$k$-smoothness: an answer to an open problem
DOI:
https://doi.org/10.7146/math.scand.a-102834Abstract
The aim of this paper is to characterize the $k$-smooth points of the closed unit ball of $\mathcal{K}(\mathcal{H}_1;\mathcal{H}_2)$. In this paper we also answer a question posed by A. Saleh Hamarsheh in 2015.
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