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Ultrafiltros y el problema de grupos topológicos extremadamente disconexos
(Universidad de los AndesMatemáticasFacultad de CienciasDepartamento de Matemáticas, 2020)
In 1967 Arhangel skii wondered if there are nondiscrete extremally disconnected topological groups. Soon after, Sirota showed that, for the countable case, its existence is consistent by assuming CH. Several of the results ...
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(2000)