Ingrid Carbone 
Trotter’s type theorems for generalized SzàszMirakjan 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^{#} Semiclosed
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
