SOME RESULTS OF NOVI SAD SCHOOL INSPIRED BY ANDREKA AND NEMETI S.Crvenkovic, I.Dolinka, R.Madarasz Abstract Some of the recent results of Novi Sad algebraic school, which are directly connected to the mathematics we have learned from Andreka and Nemeti, will be presented. This includes results on Relation Algebras, Algebras of Complexes, Kleene Algebras, Dynamic Algebras, Decidability, Formal Languages.