Hereditary rigidity, separation and density In memory of Professor I.G. Rosenberg

Lucien Haddad, Masahiro Miyakawa, Maurice Pouzet +1

We continue the investigation of systems of hereditarily rigid relations started in Couceiro, Haddad, Pouzet and Schölzel [1]. We observe that on a set $V$ with $m$ elements, there…