@Inproceedings{EPTCS374.5, author = {Weber, Jens H.}, year = {2022}, title = {A Foundation for Functional Graph Programs: The Graph Transformation Control Algebra (GTA)}, editor = {Heckel, Reiko and Poskitt, Christopher M.}, booktitle = {{\rm Proceedings of the Thirteenth International Workshop on} Graph Computation Models, {\rm Nantes, France, 6th July 2022}}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {374}, publisher = {Open Publishing Association}, pages = {45-58}, doi = {10.4204/EPTCS.374.5}, }