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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2023.tde-15062023-125035
Document
Author
Full name
Douglas Felipe Queiroz Taketomi
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2023
Supervisor
Committee
Zani, Sergio Luis (President)
Dias, Ires
Moura, Renato José de
Silva, Evandro Raimundo da
Title in Portuguese
Uma introdução a equações diofantinas e aproximações de números reais
Keywords in Portuguese
Equações diofantinas
Frações contínuas
Abstract in Portuguese
Este trabalho é uma introdução para o estudo de equações diofantinas e frações contínuas, equações que foram trabalhadas pelo matemático grego Diofanto de Alexandria, considerado o pai da Álgebra. Antes de estudar equações diofantinas, serão vistos alguns fundamentos relacionados à Teoria dos Números, incluindo propriedades, teoremas e demonstrações sobre divisibilidade, divisão euclidiana, máximo divisor comum, congruências e o algoritmo de Euclides. Em seguida, será estudado equações diofantinas lineares com duas, três e n incógnitas.E por fim, abordamos frações contínuas, onde será mostrada a relação fundamental entre números racionais e números reais, e como números racionais e irracionais podem ser representados como frações contínuas, com exemplos do número "π" e o número de ouro.
Title in English
An introduction to diophantine equations and approximations of real numbers .
Keywords in English
Continued fractions
Diophantine equations
Abstract in English
This work is an introduction to the study of Diophantine equations and continued fractions, equations that were worked on by the Greek mathematician Diophantus of Alexandria, considered the father of Algebra. Before studying Diophantine equations, some fundamentals related to Number Theory will be seen, including properties, theorems and demonstrations about divisibility, Euclidean division, greatest common divisor, congruences and Euclids algorithm. Next, linear Diophantine equations with two, three and n unknowns will be studied. And finally, we approach continued fractions, where the fundamental relationship between rational numbers and real numbers will be shown, and how rational and irrational numbers can be represented as continued fractions, with examples of the number "π" and the number of gold.
 
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Publishing Date
2023-06-15
 
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