On fixed points of the lower set operator
نویسندگان
چکیده
منابع مشابه
On fixed points of the lower set operator
Lower subsets of an ordered semigroup form in a natural way an ordered semigroup. This lower set operator gives an analogue of the power operator already studied in semigroup theory. We present a complete description of the lower set operator applied to varieties of ordered semigroups. We also obtain large families of fixed points for this operator applied to pseudovarieties of ordered semigrou...
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ژورنال
عنوان ژورنال: International Journal of Algebra and Computation
سال: 2015
ISSN: 0218-1967,1793-6500
DOI: 10.1142/s021819671540010x