Some Special Elements and Pseudo Inverse Functions in Groupoids
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In this paper, we consider a theory of elements u of a groupoid ( X , * ) that are associated with certain functions u ^ : X → X , pseudo-inverse functions, which are generalizations of the inverses associated with units of groupoids with identity elements. If classifying the elements u as special of one of twelve types, then it is possible to do a rather detailed analysis of certain cases, leftoids, rightoids and linear groupoids included, which demonstrates that it is possible to develop a successful theory and that a good deal of information has already been obtained with much more possible in the future.
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2010 ◽
Vol 113-116
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pp. 59-63
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2019 ◽
Vol 10
(2)
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pp. 167-186
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