Semirigid sets of diamond orders
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Vaktang Lashkia; Masahiro Miyakawa; Akihiro Nozaki; Grant Pogosyan; Ivo G. Rosen
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Article
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1996
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Elsevier Science
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English
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An order relation ~<~b on a set A is a diamond provided x<~,,hy holds exactly if x = a or y = b. A set R of diamonds on A is semirigid if the identity map on A and all constant self-maps of A are the only self-maps of A that are (jointly) isotone for all diamonds from R. The study of such sets is mo