Ingrid Carbone

Trotter’s  type theorems for generalized  Szàsz-Mirakjan  operators in polynomial weighted function spaces 

1

Shaun Cooper and Heung Yeung Lam

Sums  of two, four, six and eight squares and triangular numbers: an elementary approach

21

Nawneet Hooda and Babu Ram

Convergence of certain modified cosine sum

41

M. Imdad and Q.H. Khan

A common fixed point theorem for six mappings satisfying a rational inequality

47

Mohammed Imdad  and Tariq Iqtadar Khan

Coincidence and common fixed points of nonlinear hybrid contractions

59

M.K.R.S. Veera Kumar

g^# -Semi-closed sets in topological spaces

73

P.N. Natarajan

Characterization of some matrix classes

89

A.A.M. Wasike

Periodic solutions of  a system of delay differential equations

95