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

Online First articles

• Naturality and definability III Mohsen Asgharzadeh, Mohammad Golshani, Saharon Shelah Fundamenta Mathematicae MSC: Primary 08A35; Secondary 03E35, 18A15 DOI: 10.4064/fm240814-29-3 Published online: 3 October 2025
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• Some negative answers to Bergelson–Hindman’s question Qinqi Wu Fundamenta Mathematicae MSC: Primary 05D10 DOI: 10.4064/fm240922-24-8 Published online: 16 October 2025
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• Maximality principles in modal logic and the Axiom of Choice Rodrigo Nicolau Almeida, Guram Bezhanishvili Fundamenta Mathematicae MSC: Primary 03E25; Secondary 03B20, 03B44, 03B45, 06D20, 06D22, 06D50, 06E25, 06E15, 18F70 DOI: 10.4064/fm241218-6-5 Published online: 17 October 2025
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• Generic surface homeomorphisms are almost continuum-wise expansive Alfonso Artigue Fundamenta Mathematicae MSC: Primary 37B05; Secondary 37B45 DOI: 10.4064/fm240923-23-5 Published online: 24 October 2025
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• Nonstandard analysis of asymptotic points and exponential decay of expansivity constants Alfonso Artigue, Luis Ferrari, Jorge Groisman Fundamenta Mathematicae MSC: Primary 37B05; Secondary 03H05 DOI: 10.4064/fm241014-2-7 Published online: 3 November 2025
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• Tannaka–Kreĭn duality for Roelcke-precompact non-archimedean Polish groups Rémi Barritault Fundamenta Mathematicae MSC: Primary 22A25; Secondary 03C15 DOI: 10.4064/fm240605-11-9 Published online: 7 November 2025
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• Products of C*-algebras that do not embed into the Calkin algebra Damian Głodkowski, Piotr Koszmider Fundamenta Mathematicae MSC: Primary 03E35; Secondary 46L05, 03E75 DOI: 10.4064/fm250516-22-9 Published online: 11 November 2025
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• Manturov projection for virtual Legendrian knots in $ST^*F$ Vladimir Chernov, Rustam Sadykov Fundamenta Mathematicae MSC: Primary 57K12; Secondary 53D10, 57K33 DOI: 10.4064/fm241226-13-6 Published online: 12 November 2025
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