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Analysis Seminar – David Cruz-Uribe (UA)
April 29, 2022 @ 3:00 pm - 4:00 pm
Title: Everything I knew (and maybe that you know) about the Stieltjes integral is wrong.
Abstract: I will discuss three definitions of the Riemann integral (the Riemann integral, the Darboux integral, and a variant of the Darboux integral) and why they are equivalent. I will then introduce the generalizations of these results to define the Stieljtes integral and explain where and how they diverge. I will touch briefly on some lost history of the Stieltjes integral, and show how these definitions evolved. In particular, I will give a characterization of Stieltjes integrability that captures (I think) everything I have learned.