For a partially ordered set $P$ let us denote by $Co P$ the system of all convex subsets of $P$. It is found the necessary and sufficient condition (concerning $P$) under which $Co P$ (as a partially ordered set) is selfdual.
@article{118617,
author = {Miron Zelina},
title = {Selfduality of the system of convex subsets of a partially ordered set},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {34},
year = {1993},
pages = {593-595},
zbl = {0784.06002},
mrnumber = {1243092},
language = {en},
url = {http://dml.mathdoc.fr/item/118617}
}
Zelina, Miron. Selfduality of the system of convex subsets of a partially ordered set. Commentationes Mathematicae Universitatis Carolinae, Tome 34 (1993) pp. 593-595. http://gdmltest.u-ga.fr/item/118617/
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