Coalgebraic CTL: Fixpoint Characterization and Polynomial-time Model Checking.- A Categorical Approach to Coalgebraic Fixpoint Logic.- Preorder-Constrained Simulations for Program Refinement with Effects.- Automata and Coalgebras in Categories of Species.- Automata in W-Toposes, and General Myhill-Nerode Theorems.- Graded Semantics and Graded Logics for Eilenberg-Moore Coalgebras.- Explicit Hopcroft's Trick in Categorical Partition Refinement.- Proving Behavioural Apartness.

- A Compositional Approach to Petri Nets.- Correspondence between Composite Theories and Distributive Laws.