InhaltsangabeFrom Lawvere to Brandenburger-Keisler: Interactive Forms of Diagonalization and Self-reference.- Defining Context-Free Power Series Coalgebraically.- Relational Presheaves as Labelled Transition Systems.- On Finitary Functors and Their Presentations.- Structural Operational Semantics for Continuous State Probabilistic Processes.- Stream Automata Are Coalgebras.- Trace Semantics via Determinizatio.- An Alpha-Corecursion Principle for the Infinitary Lambda Calculus.- Lax Extensions of Coalgebra Functors.- From Transitions to Executions.- Tracing the Man in the Middle in Monoidal Categories.- Permutations in Coinductive Graph Representation.- Internal Models for Coalgebraic Modal Logics.