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Title: Insertion of continuous real functions on spaces, bispaces, ordered spaces and point-free spaces - a common root
Authors: Ferreira, Maria João 
Gutiérrez García, Javier 
Picado, Jorge 
Keywords: Frame; Locale; Localic real function; Insertion theorem; Biframe; Normal biframe; Extremally disconnected biframe; Bitopological space; Ordered topological space
Issue Date: 2009
Publisher: Centro de Matemática da Universidade de Coimbra
Citation: Pré-Publicações DMUC. 09-04 (2009)
Abstract: We characterize normal and extremally disconnected biframes in terms of the insertion of a continuous real function in between given lower and upper semicontinuous real functions and show this to be the common root of several classical and new insertion results concerning topological spaces, bitopological spaces, ordered topological spaces and locales.
Rights: openAccess
Appears in Collections:FCTUC Matemática - Vários

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