caa a22 4500 445378956 CHVBK 20180317143011.0 cr unu---uuuuu 170323e20110401xx s 000 0 eng 10.1007/s10485-009-9209-0 doi (NATIONALLICENCE)springer-10.1007/s10485-009-9209-0 Insertion of Continuous Real Functions on Spaces, Bispaces, Ordered Spaces and Pointfree Spaces—A Common Root [Elektronische Daten] [Maria Ferreira, Javier Gutiérrez García, Jorge Picado] 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. Springer Science+Business Media B.V., 2009 Frame nationallicence Locale nationallicence Localic real function nationallicence Insertion theorem nationallicence Biframe nationallicence Normal biframe nationallicence Extremally disconnected biframe nationallicence Bitopological space nationallicence Ordered topological space nationallicence Ferreira Maria CMUC, Department of Mathematics, University of Coimbra, 3001-454, Coimbra, Portugal aut Gutiérrez García Javier Departamento de Matemáticas-Matematika Saila, Universidad del País Vasco-Euskal Herriko Unibertsitatea, Apartado, 644, Bilbao, Spain aut Picado Jorge CMUC, Department of Mathematics, University of Coimbra, 3001-454, Coimbra, Portugal aut Applied Categorical Structures Springer Netherlands 19/2(2011-04-01), 469-487 0927-2852 19:2<469 2011 19 10485 https://doi.org/10.1007/s10485-009-9209-0 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10485-009-9209-0 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Ferreira Maria CMUC, Department of Mathematics, University of Coimbra, 3001-454, Coimbra, Portugal aut NATIONALLICENCE 700 1- Gutiérrez García Javier Departamento de Matemáticas-Matematika Saila, Universidad del País Vasco-Euskal Herriko Unibertsitatea, Apartado, 644, Bilbao, Spain aut NATIONALLICENCE 700 1- Picado Jorge CMUC, Department of Mathematics, University of Coimbra, 3001-454, Coimbra, Portugal aut NATIONALLICENCE 773 0- Applied Categorical Structures Springer Netherlands 19/2(2011-04-01), 469-487 0927-2852 19:2<469 2011 19 10485 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer