Karim Boulabiar & Gerard Buskes 
Positivity [PDF ebook] 

Ways in which C(X) mod a Prime Ideal Can be a Valuation Domain; Something Old and Something New.- Positivity in Operator Algebras and Operator Spaces.- Results in f-algebras.- Bilinear Maps on Products of Vector Lattices: A Survey.- Vector Measures, Integration and Applications.- The Role of Frames in the Development of Lattice-ordered Groups: A Personal Account.- Non-commutative Banach Function Spaces.- Positive Operators on L p-spaces.- Regular Operators between Banach Lattices.