Authors: Mabrouk Ben Nasr, and Noômen Jarboui, King Faisal University, Faculty Of Sciences, Department Of Mathematics, P. O. Box: 380, 31982 Saudi Arabia.(mabrouk_bennasr@yahoo.fr) , (noomenjarboui@yahoo.fr).
On maximal non-valuation subrings, pp. 47-59.
ABSTRACT. In this paper we study pairs of rings where all intermediate domains are valuation. Furthermore maximal non-valuation subrings are studied and examples illustrating the theory are given.