Abstract
The notion of \(L^r\)-variational measure generated by a function \(F\in L^r[a,b]\) is introduced and, in terms of absolute continuity of this measure, a descriptive characterization of the \(H\!K_r\)-integral recovering a function from its \(L^r\)-derivative is given. It is shown that the class of functions generating absolutely continuous \(L^r\)-variational measure coincides with the class of \(ACG_{r}\)-functions which was introduced earlier, and that both classes coincide with the class of the indefinite \(H\!K_{r}\)-integrals under the assumption of \(L^r\)-differentiability almost everywhere of the functions consisting these classes.
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This work was supported by the Russian Foundation for Basic Research under grant 20-01-00584.
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Translated from Matematicheskie Zametki, 2022, Vol. 111, pp. 411-421 https://doi.org/10.4213/mzm13284.
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Musial, P., Skvortsov, V.A. & Tulone, F. On Descriptive Characterizations of an Integral Recovering a Function from Its \(L^r\)-Derivative. Math Notes 111, 414–422 (2022). https://doi.org/10.1134/S0001434622030099
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DOI: https://doi.org/10.1134/S0001434622030099