Clones from ideals [article]

Mathias Beiglböck, Martin Goldstern, Lutz Heindorf, Michael Pinsker
2008 arXiv   pre-print
On an infinite base set X, every ideal of subsets of X can be associated with the clone of those operations on X which map small sets to small sets. We continue earlier investigations on the position of such clones in the clone lattice.
arXiv:0802.3822v2 fatcat:agwvd73d6nh5tbty77kiuclboy