Hejduk, Jacek; Loranty, Anna On functions continuous with respect to a density type strong generalized topology. (English) Zbl 1482.54018 Georgian Math. J. 28, No. 5, 733-738 (2021). Reviewer: Tomasz Natkaniec (Gdańsk) MSC: 54C30 26A15 54A05 54D10 54D15 PDFBibTeX XMLCite \textit{J. Hejduk} and \textit{A. Loranty}, Georgian Math. J. 28, No. 5, 733--738 (2021; Zbl 1482.54018) Full Text: DOI
Hejduk, Jacek; Wiertelak, Renata On topologies related to the extension of the Lebesgue measure. (English) Zbl 1433.54004 Georgian Math. J. 26, No. 4, 611-616 (2019). MSC: 54A10 28A05 PDFBibTeX XMLCite \textit{J. Hejduk} and \textit{R. Wiertelak}, Georgian Math. J. 26, No. 4, 611--616 (2019; Zbl 1433.54004) Full Text: DOI
Hejduk, Jacek On topologies in the family of sets with the Baire property. (English) Zbl 1321.54005 Georgian Math. J. 22, No. 2, 243-250 (2015). Reviewer: Tomasz Natkaniec (Gdańsk) MSC: 54A10 28A05 54C30 PDFBibTeX XMLCite \textit{J. Hejduk}, Georgian Math. J. 22, No. 2, 243--250 (2015; Zbl 1321.54005) Full Text: DOI
Hejduk, Jacek; Loranty, Anna On lower and semi-lower density operators. (English) Zbl 1152.28002 Georgian Math. J. 14, No. 4, 661-671 (2007). Reviewer: Ryszard Pawlak (Łódź) MSC: 28A05 54A05 PDFBibTeX XMLCite \textit{J. Hejduk} and \textit{A. Loranty}, Georgian Math. J. 14, No. 4, 661--671 (2007; Zbl 1152.28002)
Hejduk, J. Non-Baire unions in category bases. (English) Zbl 0862.04001 Georgian Math. J. 3, No. 6, 543-546 (1996). Reviewer: T.Natkaniec (Bydgoszcz) MSC: 03E20 28A05 26A03 PDFBibTeX XMLCite \textit{J. Hejduk}, Georgian Math. J. 3, No. 6, 543--546 (1996; Zbl 0862.04001) Full Text: EuDML EMIS