20 citations · 20 across the 3 of their papers we have counts for
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On the -equivalence and permutations of series
Artur Bartoszewicz, Włodzimierz Fechner, Aleksandra Świątczak +1
Assume that a convergent series of real numbers has the property that there exists a set such that the series $\sum\limits_{n \in A}…
Achievement sets of conditionally convergent series
Artur Bartoszewicz, Szymon Głab, Jacek Marchwicki
Considering the sets of subsums of series (or achievement sets) we show that for conditionally convergent series the multidimensional case is much more complicated than that of the…
Nonseparable spaceability and strong algebrability of sets of continuous singular functions
Marek Balcerzak, Artur Bartoszewicz, Malgorzata Filipczak
Let CBV denote the Banach algebra of all continuous real-valued functions of bounded variation, defined in [0,1]. We show that the set of strongly singular functions in CBV is nons…