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RIEMANN-STIELTJES INTEGRALS AND THEIR REPRESENTING MEASURES

  • Joong Kwoen Lee (Department of Mathematics Education, Dongguk University) ;
  • Han Ju Lee (Department of Mathematics Education, Dongguk University)
  • Received : 2024.08.07
  • Accepted : 2024.10.05
  • Published : 2024.11.30

Abstract

The Riemann-Stieltjes integrals of continuous functions with respect to a function of bounded variation can be represented by a regular, Borel, complex measure. In this paper, we study the link between the Riemann-Stieltjes integral and measure theory using this representation. Specifically, we investigate the Riemann-Stieltjes integrability and its measurability. Furthermore, we derive a criterion for Riemann-Stieltjes integrability through a method different from known proofs. In particular, we calculate the upper and lower Riemann-Stieltjes integrals with respect to a monotone increasing function.

Keywords

Acknowledgement

The second named author was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology [NRF-2020R1A2C1A01010377].

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