2 papers
cs.DM2025
Counting Specific Classes of Relations Regarding Fixed Points and Reflexive Points
Rudolf Berghammer, Jules Desharnais, Michael Winter
Given a finite and non-empty set and randomly selected specific functions and relations on , we investigate the existence and non-existence of fixed points and reflexive poi…
cs.LO2024
The Thins Ordering on Relations
Ed Voermans, Jules Desharnais, Roland Backhouse
Earlier papers \cite{VB2022,VB2023a,VB2023b} introduced the notions of a core and an index of a relation (an index being a special case of a core). A limited form of the axiom of c…