Mecheri, Salah Positive answer to the invariant and hyperinvariant subspaces problems for hyponormal operators. (English) Zbl 07501804 Georgian Math. J. 29, No. 2, 233-244 (2022). Reviewer: Mohammed El Aïdi (Bogotá) MSC: 47B20 47A15 PDFBibTeX XMLCite \textit{S. Mecheri}, Georgian Math. J. 29, No. 2, 233--244 (2022; Zbl 07501804) Full Text: DOI
Frankiewicz, Ryszard; Jureczko, Joanna; Węglorz, Bogdan On Kuratowski partitions in the Marczewski and Laver structures and Ellentuck topology. (English) Zbl 1480.03038 Georgian Math. J. 26, No. 4, 591-598 (2019). MSC: 03E05 03E15 03E35 54E52 PDFBibTeX XMLCite \textit{R. Frankiewicz} et al., Georgian Math. J. 26, No. 4, 591--598 (2019; Zbl 1480.03038) Full Text: DOI