12 citations · 16 across the 7 of their papers we have counts for
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math.FA2018
An uncountable version of Pták's combinatorial lemma
Petr Hájek, Tommaso Russo
In this note we are concerned with the validity of an uncountable analogue of a combinatorial lemma due to Vlastimil Pták. We show that the validity of the result for can not…
math.FA2018
Separated sets and Auerbach systems in Banach spaces
Petr Hájek, Tomasz Kania, Tommaso Russo
The paper elucidates the relationship between the density of a Banach space and possible sizes of well-separated subsets of its unit sphere. For example, it is proved that for a la…