Undecidability of Relation-Changing Modal Logics.- Axiomatization and computability of a variant of iteration-free PDL with fork.- A Dynamic Logic for Learning Theory.- Layered logics, coalgebraically.- A Dynamic Informational-Epistemic Logic.- Dynamic Epistemic Logics of Introspection.- Logics for Actor Networks: a case study in constrained hybridization.- Parity Games and Automata for Game Logic.- Model checking against arbitrary public announcement logic: A first-order-logic prover approach for the existential fragment.- Dynamic Logic: A personal perspective.- The Creation and Change of Social Networks: a logical study based on group size.
