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Doctoral Thesis
DOI
https://doi.org/10.11606/T.55.2018.tde-10102018-144937
Document
Author
Full name
Renan Maneli Mezabarba
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2018
Supervisor
Committee
Aurichi, Leandro Fiorini (President)
Dias, Rodrigo Roque
Junqueira, Lucia Renato
Santos, Ederson Moreira dos
Title in English
Selection principles in hyperspaces
Keywords in English
Function spaces
Hyperspaces
Selection principles
Topological games
Abstract in English
In this work we analyze some selection principles over some classes of hyperspaces. In the first part we consider selective variations of tightness over a class of function spaces whose topologies are determined by bornologies on the space. As results, we extend several well known translations between covering properties and closure properties of the topology of pointwise convergence. In the second part we consider artificial hyperspaces that assist the analysis of productive topological properties. We emphasize the results characterizing productively ccc preorders and the characterization of the Lindelöf property via closed projections.
Title in Portuguese
Princípios seletivos em hiperespaços
Keywords in Portuguese
Espaços de funções
Hiperespaços
Jogos topológicos
Princípios seletivos
Abstract in Portuguese
Neste trabalho analisamos alguns princípios seletivos quando considerados sobre alguns tipos de hiperespaços. Na primeira parte consideramos variações seletivas do tightness sobre diversos tipos de espaços de funções, cujas topologias são determinadas por bornologias no espaço. Como resultados, estendemos diversas traduções conhecidas entre propriedades de recobrimento e propriedades de convergência na topologia da convergência pontual. Na segunda parte consideramos hiperespaços artificiais que auxiliam na análise de propriedades topológicas produtivas. Destacamos os resultados que caracterizam as pré-ordens produtivamente ccc e a caracterização da propriedade de Lindelöf em termos de projeções fechadas.
 
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Publishing Date
2018-10-10
 
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