issue No. 4 publication date 2011-12-15

• On the k-nullity foliations in Finsler geometry
• Ranks of modules relative to a torsion theory
• p-Lambda-bounded variation
• Classical quasi-primary submodules
• Proving the efficiency of pro-2-groups of fixed co-classes
• Generalized sigma-derivation on Banach algebras
• Upper bounds on the solutions to n = p+m^2
• Connections between C(X) and C(Y), where Y is a subspace of X
• Banach module valued separating maps and automatic continuity
• G-frames and Hilbert-Schmidt operators
• Module cohomology group of inverse semigroup algebras
• On module extension Banach algebras
• On the Ishikawa iteration process in CAT(0) spaces
• One-point extensions of locally compact paracompact spaces
• Best proximity pair and coincidence point theorems for nonexpansive set-valued maps in Hilbert spaces
• On a conjecture of a bound for the exponent of the Schur multiplier of a finite $p$-group
• The unit sum number of discrete modules
• On n-coherent rings, n-hereditary rings and n-regular rings
• Using Kullback-Leibler distance for performance evaluation of search designs