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A note on the system of complements of sets sparse at a point
(Wydawnictwo Uniwersytetu Łódzkiego, 1992)
A Note on the Recurrence Theorem
(Wydawnictwo Uniwersytetu Łódzkiego, 1989)
This note contains a simple proof of a generalization of the recurrence
theorem from Taams paper (Theorem 2).
Topologies related to (x^α)-porosity
(Wydawnictwo Uniwersytetu Łódzkiego, 1992)
L. Zajiček, using the notion of porosity, defined
superporosity, the porosity topology and the *-porosity topology. In
our paper we introduce the equivalents of these notions which we get
by replacing porosity with ...