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- Jorge Martinez, Eric Richard Zenk
- Applied Categorical Structures
- 2008

- Jorge Martinez, Eric Richard Zenk
- Applied Categorical Structures
- 2009

- Jorge Martinez, Eric Richard Zenk
- Applied Categorical Structures
- 2006

- Jorge Mart́ınez, Eric R. Zenk
- 2010

This paper continues the investigation into Krull-style dimensions in algebraic frames. Let L be an algebraic frame. dim(L) is the supremum of the lengths k of sequences p0 < p1 < · · · < pk of (proper) prime elements of L. Recently, Th. Coquand, H. Lombardi and M.-F. Roy have formulated a characterization which describes the dimension of L in terms of the… (More)

We show that every completely regular frame has a P -frame reection. The proof is straightforward in the case of a Lindelöf frame, but more complicated in the general case. The chief obstacle to a simple proof is the important fact that a quotient of a P -frame need not be a P -frame, and we give an example of this. Our proof of the existence of the P… (More)

- Eric Richard Zenk
- Applied Categorical Structures
- 2007

- Eric R. Zenk, ERIC R. ZENK
- 2005

This article discusses the basic categorical algebra for categories of partial frames. Categories of partial frames are labelled by subset selectors that indicate which joins exist. Constructions for limits, colimits, and free functors connecting various categories of partial frames are given. Examples of partial frame categories are given. Subset selectors… (More)

- Kira V. Adaricheva, Ralph McKenzie, Eric Richard Zenk, Miklós Maróti, James B. Nation
- Studia Logica
- 2006

The least element 0 of a finite meet semi-distributive lattice is a meet of meet-prime elements. We investigate conditions under which the least element of an algebraic, meet semi-distributive lattice is a (complete) meet of meet-prime elements. For example, this is true if the lattice has only countably many compact elements, or if |L| < 2א0 , or if L is… (More)

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