Tabular and Pretabular Varieties of MTL-algebras.- Cyclic Group Spectra for Some Small Relation Algebras.-Presenting Interval Pomsets with Interfaces.- Irrationality of Process Replication for Higher-Dimensional Automata.- Monotone Ω-Sup-Fuzzy Relations: Converse and Complementation.- On the Structure of Balanced Residuated Partially-ordered Monoids.- Complete Congruences of Completely Distributive Lattices.- A Matrix-oriented View of Bisimulations Quotients over Dioid-labeled Transition Systems.

- Restructuring a Concurrent Refinement Algebra.- Frames and Spaces for Distributive Quasi Relation Algebras and Involutive FL-algebras.- Data Migration under a Changing Schema in Ampersand.- Using Matrix Sparsification to Solve Tropical Linear Vector Equations.- Undecidability of the Positive Calculus of Relations with Transitive Closure and Difference: Hypothesis Elimination Using Graph Loops.- L-Fuzzy Weak Preference, Preference, and Choice Relations.- Lifting Star-autonomy.