Graph Transformation, Specifications, and Nets In Memory of Hartmut Ehrig

On the Essence of Parallel Independence for the Double-Pushout and Sesqui-Pushout Approaches.- Integration of graph constraints into graph grammars.- Multi-view Consistency in UML.- A Simple Notion of Parallel Graph Transformation and its Perspectives.- A Tutorial on Graph Transformation.- Initial Conflicts and Dependencies: Critical Pairs Revisited.- Towards a Navigational Logic for Graphical Structures.- Model Transformations as Free Constructions.- The Verigraph Tool for Graph Transformation.- Decomposition Structures for Soft Constraint Evaluation Problems: an Algebraic Approach.- Overview of Recon gurable Petri Nets.- The Category "Undirected Graph".- Modular Termination of Graph Transformation.- Graph Attribution through Sub-Graphs.- On normal forms for structured speci cations with generating constraints.- Towards the Automated Generation of Consistent, Diverse, Scalable and Realistic Graph Models.- Graph Operations and Free Graph Algebras.