Instytut Matematyczny Polskiej Akademii Nauk / Institute of Mathematics / Publishing house / Journals and Serials / Colloquium Mathematicum

Online First articles

• Commutativity of the restricted connected hull in Banach algebras Daniel Sukumar, Gayathri Sugirtha Colloquium Mathematicum MSC: Primary 46H05; Secondary 46H10, 47A10 DOI: 10.4064/cm9646-9-2025 Published online: 4 December 2025
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• Open retractions of indecomposable continua, II Eiichi Matsuhashi, Jose Alberto Ortega Becerril Colloquium Mathematicum MSC: Primary 54F15; Secondary 54C10 DOI: 10.4064/cm9677-10-2025 Published online: 11 December 2025
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• Monogenic cyclic polynomials in recurrence sequences Joshua Harrington, Lenny Jones Colloquium Mathematicum MSC: Primary 11R09; Secondary 11B39, 11R18, 11R32 DOI: 10.4064/cm9671-10-2025 Published online: 28 January 2026
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• Rings for which f.g. projective modules have the FI-extending property Peter Danchev, Masoome Zahiri, Saeide Zahiri Colloquium Mathematicum MSC: Primary 16D40; Secondary 16D70 DOI: 10.4064/cm9655-10-2025 Published online: 13 February 2026
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• A combinatorial identity relating Glass and Ng’s identity to Milne’s identity Rong Zhang Colloquium Mathematicum MSC: Primary 05A19 DOI: 10.4064/cm9692-11-2025 Published online: 25 February 2026
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• Ehrhart spectra of large subsets in $\mathbb Z^r$ Michael Björklund, Rickard Cullman, Alexander Fish Colloquium Mathematicum MSC: Primary 11B30; Secondary 22D40, 05D10 DOI: 10.4064/cm9704-10-2025 Published online: 25 February 2026
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