4 citations · 4 across the 3 of their papers we have counts for
3 papers
math.CA2025
The Change of Variable Formula Integrals, do they have equal value?
Oswaldo Rio Branco de Oliveira
Assuming that the two integrals in the Change of Variable Formula for the Riemann integral on the real line are finite, one can rightfully ask if they have equal value. We give a p…
math.CV2012★ 4 cited
Some Simplifications in Basic Complex Analysis
Oswaldo Rio Branco de Oliveira
This paper presents very simple and easy integration-free proofs in the context of Weierstrass's theory of functions, of the Maximum and Minimum Modulus Principles and Gutzmer-Pars…
math.CV2012
Some Simplifications in the Presentations of Complex Power Series and Unordered Sums
Oswaldo Rio Branco de Oliveira
This text provides very easy and short proofs of some basic properties of complex power series (addition, subtraction, multiplication, division, rearrangement, composition, differe…