Instytut Matematyczny Polskiej Akademii Nauk / Institute of Mathematics / Publishing house / Journals and Serials / Fundamenta Mathematicae

Online First articles

• Generalized Oxtoby subshifts and hyperfiniteness Konrad Deka, Bo Peng Fundamenta Mathematicae MSC: Primary 37B10; Secondary 03E15 DOI: 10.4064/fm250220-10-9 Published online: 28 December 2025
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• Countably compact inverse semigroups and Nyikos’ problem Serhii Bardyla Fundamenta Mathematicae MSC: Primary 20M18; Secondary 22A15, 22A26, 54D30 DOI: 10.4064/fm250509-11-8 Published online: 10 January 2026
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