issue 1 publication date 2016-07-01

• A History of Selected Topics in Categorical Algebra I: From Galois Theory to Abstract Commutators and Internal Groupoids
• On Condition (G-PWP)
• The ring of real-valued functions on a frame
• On descent for coalgebras and type transformations
• Properties of products for flatness in the category of $S$-posets
• Realization of locally extended affine Lie algebras of type $A_1$