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Online First articles

• On extreme contractions and vertices in operator spaces Karol Gryszka, Paweł Wójcik Colloquium Mathematicum MSC: Primary 46B20; Secondary 46B25, 46A32 DOI: 10.4064/cm9442-3-2025 Published online: 12 May 2025
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• Interlacing, integrals of Hurwitz series and differential equations Shanghua Zheng Colloquium Mathematicum MSC: Primary 12H05; Secondary 16W60 DOI: 10.4064/cm9423-2-2025 Published online: 20 May 2025
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• Stress concentration factors for the Lamé system arising from composites Changxing Miao, Zhiwen Zhao Colloquium Mathematicum MSC: Primary 74G70; Secondary 35B44, 74B05 DOI: 10.4064/cm9290-4-2025 Published online: 21 May 2025
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• Rigid-recurrent sequences for actions of finite exponent groups Cash Cherry Colloquium Mathematicum MSC: Primary 43A46 DOI: 10.4064/cm9322-5-2025 Published online: 17 June 2025
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• An invitation to cortex algebras and spectral permanence property Przemysław Ohrysko Colloquium Mathematicum MSC: Primary 46J05 DOI: 10.4064/cm9564-5-2025 Published online: 19 June 2025
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• Lipschitz $(p,\sigma ,q,\eta )$-dominated operators Nahuel Albarracín, Amar Bougoutaia, Amar Belacel, Pablo Turco Colloquium Mathematicum MSC: Primary 47L20; Secondary 46E15, 47B10, 26A16 DOI: 10.4064/cm9434-5-2025 Published online: 1 July 2025
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• Isometries of the class of ball-bodies Shiri Artstein-Avidan, Arnon Chor, Dan Florentin Colloquium Mathematicum MSC: Primary 52A20; Secondary 51F99 DOI: 10.4064/cm9589-6-2025 Published online: 8 July 2025
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