On the Efficiency of Finite Simple Semigroups

C. M. CAMPBELL, J. J. O'CONNOR, N. RUSKUC, H. AYIK

Some Results on Derivation Groups

Murat ALP

Conjugacy Classes of Elliptic Elements in the Picard Group

Nihal YILMAZ, İ. Naci CANGÜL

Applications of the Tachibana Operator on Problems of Lifts

A.A. SALIMOV, E. KADIOĞLU, A. MAĞDEN

A Generalized Trapezoid Inequality for Functions of Bounded Variation

S.S. DRAGOMIR, C.E.M. PEARCE, P CERONE

Some Graph Type Hypersurfaces in a Semi-Euclidean Space

Ikawa TOSHIHIKO, Honda KYOKO

Oscillation Criteria for Second Order Nonlinear Differential Equations with Damping

Zafer AĞACIK, Aydın TİRYAKİ

Some commutativity results for S-unital rings

A. Moharram KHAN