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representation of h-closed monoreflectionsin archimedean l-groups with weak unit
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نویسنده
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banaschewski bernhard ,hager anthony w.
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منبع
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categories and general algebraic structures with applications - 2018 - دوره : 9 - شماره : 1 - صفحه:1 -13
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چکیده
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Abstract. the category of the title is called w. this has all free objects f (i) (i a set). for an object class a, ha consists of all homomorphic images of a-objects. this note continues the study of the h-closed monoreflections (r, r) (meaning hr = r), about which we show (inter alia): a ∈ a if and only if a is a countably up-directed union from h{rf (ω)}. the meaning of this is then analyzed for two important cases: the maximum essential monoreflection r = c^3, where c^3f (ω) = c(r^ω ), and c ∈ h{c(r^ω )} means c = c(t ), for t a closed subspace of r^ω ; the epicomplete, and maximum, monoreflection, r = β, where βf (ω) = b(r^ω ), the baire functions, and e ∈ h{b(r^ω )} means e is an epicompletion (not “the”) of such a c(t ).
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کلیدواژه
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archimedean l-group ,h-closed monoreflection ,yosida representation ,countable composition ,epicomplete ,baire functions.
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آدرس
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mcmaster university, department of mathematics and statistics, canada, wesleyan university, department of mathematics and computer science, usa
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پست الکترونیکی
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ahager@wesleyan.edu
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Authors
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