issue 04 publication date 2019-12-01

• On the X basis in the Steenrod algebra
• Hyers–Ulam–Rassias stability of impulsive Volterra integral equation via a fixed point approach
• Measures of maximal entropy
• New iteration process for approximating fixed points in Banach spaces
• Non-additive Lie centralizer of infinite strictly upper triangular matrices
• $gamma_{_mu}$-Lindel"{o}f generalized topological spaces
• $C$-class functions on common fixed point theorems for weak‎ ‎contraction mapping of integral type in modular spaces