Algebra and Coalgebra in Computer Science [electronic resource] : Third International Conference, CALCO 2009, Udine, Italy, September 7-10, 2009. Proceedings / edited by Alexander Kurz, Marina Lenisa, Andrzej Tarlecki.

Algebraic Effects and Recursive Equations -- Adequacy for Infinitary Algebraic Effects (Abstract) -- Algebras for Parameterised Monads -- Kleene Monads: Handling Iteration in a Framework of Generic Effects -- Complete Iterativity for Algebras with Effects -- Semantics of Higher-Order Recursion Schemes -- Theory of Coalgebra -- Coalgebraic Components in a Many-Sorted Microcosm -- Complementation of Coalgebra Automata -- Characterising Behavioural Equivalence: Three Sides of One Coin -- Coinduction -- Let’s See How Things Unfold: Reconciling the Infinite with the Intensional (Extended Abstract) -- Circular Coinduction: A Proof Theoretical Foundation -- Bisimulation -- Approximating Labelled Markov Processes Again! -- Weak Bisimilarity Coalgebraically -- Coalgebraic Symbolic Semantics -- Relating Coalgebraic Notions of Bisimulation -- Traces, Executions and Schedulers, Coalgebraically -- Non-strongly Stable Orders Also Define Interesting Simulation Relations -- Stone Duality -- Stone Duality and the Recognisable Languages over an Algebra -- Free Heyting Algebras: Revisited -- Distributive Lattice-Structured Ontologies -- A Duality Theorem for Real C * Algebras -- Game Theory -- Conway Games, Coalgebraically -- A Semantical Approach to Equilibria and Rationality -- Graph Transformation -- Van Kampen Colimits as Bicolimits in Span -- Unfolding Grammars in Adhesive Categories -- Software Development Techniques -- Views on Behaviour Protocols and Their Semantic Foundation -- Correctness, Completeness and Termination of Pattern-Based Model-to-Model Transformation -- Constructor-Based Institutions -- CALCO Tools Workshop -- DBtk: A Toolkit for Directed Bigraphs -- Constraint-Muse: A Soft-Constraint Based System for Music Therapy -- CIRC: A Behavioral Verification Tool Based on Circular Coinduction -- The Priced-Timed Maude Tool -- A Tool Proving Well-Definedness of Streams Using Termination Tools.