poset – Math Research of Victor Porton

Partial order funcoids and reloids formalize such things as “infinitely small” step rotating a circle counter-clockwise. This is “locally” a

Questions about orderings of filters and ultrafilters

I asked on MathOverflow several questions about ordering of filters and ultrafilters. Your participation in this research is welcome.

From the preprint of my article “Filters on Posets and Generalizations” (with little rewording): Definition 1. Let is a poset