This paper deals with the universal catenarity of a pullback construction ring. It seeks necessary and sufficient conditions for such a pullback to have the universal catenarity, improving some known results. Its main result leads to new examples of universally catenarian domains.
Noômen Jarboui. Ayada Jerbi. "Pullbacks and Universal Catenarity." Publ. Mat. 52 (2) 365 - 375, 2008.