Bisigma frames
Doctoral Thesis
1999
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University of Cape Town
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Abstract
We introduce and investigate the concept of a bi σ-frame. The cozero part of a biframe, itself a bi σ-frame, is defined and used to construct the compact regular, and regular Lindelöf coreflections for biframes. Pseudocompactness for biframes is defined in a natural way and characterised in terms of the cozero part. Finally we obtain the σ-frame analogue of the result that characterises the stably continuous frames in terms of the compact regular biframes.
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Bibliography : 90-91.
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Reference:
Matutu, P. 1999. Bisigma frames. University of Cape Town.