TY - JOUR T1 - Sum Formula for Maximal Abstract Monotonicity and Abstract Rockafellar’s Surjectivity Theorem TT - JF - IJMSI JO - IJMSI VL - 8 IS - 2 UR - http://ijmsi.ir/article-1-507-en.html Y1 - 2013 SP - 85 EP - 100 KW - Monotone operator KW - Abstract monotonicity KW - Abstract convex func- tion KW - Abstract convexity KW - Rockafellar’s surjectivity theorem. N2 - In this paper, we present an example in which the sum of two maximal abstract monotone operators is maximal. Also, we shall show that the necessary condition for Rockafellar’s surjectivity which was obtained in ([19], Theorem 4.3) can be sufficient. M3 10.7508/ijmsi.2013.02.008 ER -