9 citations · 54 across the 20 of their papers we have counts for
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math.FA2017★ 4 cited
Symmetrically separated sequences in the unit sphere of a Banach space
Petr Hájek, Tomasz Kania, Tommaso Russo
We prove the symmetric version of Kottman's theorem, that is to say, we demonstrate that the unit sphere of an infinite-dimensional Banach space contains an infinite subset wit…
astro-ph.SR2017★ 9 cited
CzeV - The Czech Variable Star Catalogue
Marek Skarka, Martin Mašek, Luboš Brát +62
We present the first release of the Czech Variable star catalogue that currently contains 1228 stars whose variability was discovered by 60 Czech observers. The catalogue contains…
math.FA2017★ 3 cited
Some remarks on smooth renormings of Banach spaces
Petr Hájek, Tommaso Russo
We prove that in every separable Banach space with a Schauder basis and a -smooth norm it is possible to approximate, uniformly on bounded sets, every equivalent norm with…