The Henstock-Kurzweil integral
Paul M. Musial, Yoram Sagher (2004)
Studia Mathematica
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We present a method of integration along the lines of the Henstock-Kurzweil integral. All -derivatives are integrable in this method.
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Paul M. Musial, Yoram Sagher (2004)
Studia Mathematica
Similarity:
We present a method of integration along the lines of the Henstock-Kurzweil integral. All -derivatives are integrable in this method.
Hemanta Kalita, Ravi P. Agarwal, Bipan Hazarika (2025)
Czechoslovak Mathematical Journal
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We introduce an ap-Henstock-Kurzweil type integral with a non-atomic Radon measure and prove the Saks-Henstock type lemma. The monotone convergence theorem, -Henstock-Kurzweil equi-integrability, and uniformly strong Lusin condition are discussed.
Aneta Sikorska-Nowak (2011)
Discussiones Mathematicae, Differential Inclusions, Control and Optimization
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In this paper we prove existence theorems for integro - differential equations , t ∈ Iₐ = [0,a] ∩ T, a ∈ R₊, x(0) = x₀ where T denotes a time scale (nonempty closed subset of real numbers R), Iₐ is a time scale interval. Functions f,k are Carathéodory functions with values in a Banach space E and the integral is taken in the sense of Henstock-Kurzweil delta integral, which generalizes the Henstock-Kurzweil integral. Additionally, functions f and k satisfy some boundary conditions and...
Umi Mahnuna Hanung (2024)
Mathematica Bohemica
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In the theories of integration and of ordinary differential and integral equations, convergence theorems provide one of the most widely used tools. Since the values of the Kurzweil-Stieltjes integrals over various kinds of bounded intervals having the same infimum and supremum need not coincide, the Harnack extension principle in the Kurzweil-Henstock integral, which is a key step to supply convergence theorems, cannot be easily extended to the Kurzweil-type Stieltjes integrals with...
Kazimierz Musiał (2025)
Czechoslovak Mathematical Journal
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Conditions guaranteeing Pettis integrability of a Gelfand integrable multifunction and a decomposition theorem for the Henstock-Kurzweil-Gelfand integrable multifunctions are presented.
Lee Tuo-Yeong (2004)
Czechoslovak Mathematical Journal
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We study a generalization of the classical Henstock-Kurzweil integral, known as the strong -integral, introduced by Jarník and Kurzweil. Let be the space of all strongly -integrable functions on a multidimensional compact interval , equipped with the Alexiewicz norm . We show that each element in the dual space of can be represented as a strong -integral. Consequently, we prove that is strongly -integrable on for each strongly -integrable function if and only if is...
Tuo-Yeong Lee (2005)
Mathematica Bohemica
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It is shown that a Banach-valued Henstock-Kurzweil integrable function on an -dimensional compact interval is McShane integrable on a portion of the interval. As a consequence, there exist a non-Perron integrable function and a continuous function such that for all .
Branko Sarić (2010)
Czechoslovak Mathematical Journal
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Let be an interval in and let be a real valued function defined at the endpoints of and with a certain number of discontinuities within . Assuming to be differentiable on a set to the derivative , where is a subset of at whose points can take values or not be defined at all, we adopt the convention that and are equal to at all points of and show that , where denotes the total value of the integral. The paper ends with a few examples that illustrate the...
R. Estrada, J. Vindas
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We define an integral, the distributional integral of functions of one real variable, that is more general than the Lebesgue and the Denjoy-Perron-Henstock-Kurzweil integrals, and which allows the integration of functions with distributional values everywhere or nearly everywhere. Our integral has the property that if f is locally distributionally integrable over the real line and ψ ∈ (ℝ) is a test function, then fψ is distributionally integrable, and the formula , defines a distribution...