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On projective Z-frames

Published online by Cambridge University Press:  20 November 2018

Zhao Dongsheng*
Affiliation:
Division of Mathematics School of Science Nanyang Technological University 469 Bukit Timah Road Singapore 259756, e-mail: ZHAOD@NIEVAX.NIE.AC.SG
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Abstract

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This paper deals with the projective objects in the category of all Z-frames, where the latter is a common generalization of different types of frames. The main result obtained here is that a Z-frame is E-projective if and only if it is stably Z-continuous, for a naturally arising collection E of morphisms.

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Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1997