Contents of Number 2
Volume 172 / 2023
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On the average value of the first $ n $ values of the sum-of-divisors function Colloquium Mathematicum 172 (2023) , 165-172 MSC: Primary 11N37. DOI: 10.4064/cm8814-7-2022
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Centroaffine surfaces of cohomogeneity one with planar curvature lines Colloquium Mathematicum 172 (2023) , 173-190 MSC: Primary 53A15; Secondary 53A05. DOI: 10.4064/cm8706-9-2022
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Hecke-type double sums and mock theta functions Colloquium Mathematicum 172 (2023) , 191-215 MSC: Primary 33D15; Secondary 11F27. DOI: 10.4064/cm8886-10-2022
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Non-unital Ore extensions Colloquium Mathematicum 172 (2023) , 217-229 MSC: Primary 16S32; Secondary 16S99, 16W70, 16S36, 16U70. DOI: 10.4064/cm8941-11-2022
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On $T$-orthogonality in Banach spaces Colloquium Mathematicum 172 (2023) , 231-241 MSC: Primary 46B20; Secondary 52A21. DOI: 10.4064/cm8962-11-2022
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A Tannaka–Krein extension theorem for topological semigroups Colloquium Mathematicum 172 (2023) , 243-260 MSC: Primary 22A20; Secondary 43A60, 46L05, 20C15, 43A65. DOI: 10.4064/cm8968-12-2022
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Finitely presented simple groups and measure equivalence Colloquium Mathematicum 172 (2023) , 261-279 MSC: Primary 20E32; Secondary 20E42, 20F05, 20F55, 20J05, 20J06, 22E41, 28D15. DOI: 10.4064/cm8610-11-2022
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Asymptotic smoothness and universality in Banach spaces Colloquium Mathematicum 172 (2023) , 281-324 MSC: Primary 46B20; Secondary 46B03, 46B06. DOI: 10.4064/cm8923-12-2022
