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

Online First articles

• On the determinant of checkerboard colorable virtual knots Tomoaki Hatano, Yuta Nozaki Fundamenta Mathematicae MSC: Primary 57K12; Secondary 57K10, 57K16 DOI: 10.4064/fm240809-4-1 Published online: 29 January 2026
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• Forking and invariant measures in NIP theories Anand Pillay, Atticus Stonestrom Fundamenta Mathematicae MSC: Primary 03C45; Secondary 37B05 DOI: 10.4064/fm250109-17-11 Published online: 11 February 2026
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• Some notes on uncountable models of arithmetic Wei Wang Fundamenta Mathematicae MSC: Primary 03C62; Secondary 03H15, 03D28, 03E50 DOI: 10.4064/fm250514-22-11 Published online: 4 May 2026
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