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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"equação neutra"" "subject:"aquação neutra""

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Operadores quase setoriais e uma classe de equações diferenciais neutras /

Aquino, João Vinicius Miron January 2020 (has links)
Orientador: Andréa Cristina Prokopczyk Arita / Resumo: Neste trabalho estudamos algumas propriedades dos operadores quase setoriais e, utilizando a teoria de semigrupos, discutimos a existência de soluções para uma classe de equações diferenciais funcionais neutras abstratas, utilizando teoremas de ponto fixo. / Abstract: In this paper we study some properties of almost sectoral operators and, using semigroup theory, we discuss about the existence of solutions for a class of abstract neutral functional differential equations by means of fixed point theorems. / Mestre
Operadores quase setoriais
Semigrupos de crescimento α
Equação neutra
Solução fraca
Almost sectorial operator
Semigroup of growth a
Neutral equation
Mild solution

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