Resumen de On some functional equations connected to Hadamard inequalities

Barbara Koclega-Kulpa, Tomasz Szostok

• We consider some functional equations connected with the Hadamard inequalities . Namely, we observe that for the function f(x) = x 2 the middle expression from these inequalities satisfies the additional condition . We ask for all functions having properties of this kind. Moreover, we consider some generalizations of the problem for functions acting on more general structures than (integral domains).