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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2017.tde-27092017-140627
Document
Author
Full name
Marielle Aparecida Silva
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2017
Supervisor
Committee
Federson, Márcia Cristina Anderson Braz (President)
Arita, Andréa Cristina Prokopczyk
Bonotto, Everaldo de Mello
Mesquita, Jaqueline Godoy
Title in Portuguese
Teoria de oscilações para equações diferenciais em medida
Keywords in Portuguese
Equações diferenciais funcionais com argumento avançado
Impulsos
Integral de Perron
Integral de Perron-Stieltjes
Abstract in Portuguese
Neste trabalho, apresentamos novos critérios para a existência de soluções oscilatórias e não oscilatórias de equações diferenciais funcionais em medida com impulsos, separando-as em duas classes: equações diferenciais funcionais retardadas e equações diferenciais funcionais com argumento avançado. Tratamos das formas integrais destas equações diferenciais usando as integrais de Perron e Perron-Stieltjes. Assim, as funções envolvidas podem ter muitas descontinuidades e/ou podem ser de variação ilimitada.
Title in English
Theory of oscillations for measure differential equations
Keywords in English
Functional differential equations with advanced argument
Impulses
Perron integral
Perron-Stieltjes integral
Abstract in English
In this work, we present new criteria for the existence of oscillatory and nonoscillatory solutions of measure functional differential equations with impulses, separating them into two classes: delay differential equations and functional differential equations with advanced argument. We deal with the integral forms of the differential equations using the Perron and the Perron-Stieltjes integrals. Thus the functions involved can have many discontinuities and/or they can be of unbounded variation.
 
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Publishing Date
2017-09-27
 
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