uniformities and covering properties for partial frames (ii)

نویسندگان

john frith

anneliese schauerte

چکیده

this paper is a continuation of [uniformities and covering properties for partial frames (i)], in which we make use of the notion of a partial frame, which is a meet-semilattice in which certain designated subsets are required to have joins, and finite meets distribute over these. after presenting there our axiomatization of partial frames, which we call $sels$-frames, we added structure, in the form of $sels$-covers and nearness. here, in the unstructured setting, we consider regularity, normality and compactness, expressing all these properties in terms of $sels$-covers. we see that an $sels$-frame is normal and regular if and only if the collection of all finite $sels$-covers forms a basis for an $sels$-uniformity on it. various results about strong inclusions culminate in the proposition that every compact, regular $sels$-frame has a unique compatible $sels$-uniformity.

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عنوان ژورنال:
categories and general algebraic structures with applications

ناشر: shahid beheshti university

ISSN 2345-5853

دوره 2

شماره 1 2014

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