We study nonuniform ergodic averages of the Kozlov – Treshchev type for operator semigroups and obtain estimates for the corresponding maximal functions.
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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 62, No. 5, pp. 702–707, May, 2010.
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Korolev, A.V. On the ergodic theorem in the Kozlov–Treshchev form for an operator semigroup. Ukr Math J 62, 809–815 (2010). https://doi.org/10.1007/s11253-010-0391-x
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DOI: https://doi.org/10.1007/s11253-010-0391-x