An Algebraic Foundation for Graph-based Diagrams in Computing

John Power, K Tourlas

Research output: Contribution to journalArticlepeer-review

3 Citations (SciVal)


We develop an algebraic foundation for some of the graph-based structures underlying a variety of popular diagrammatic notations for the specification, modelling and programming of computing systems. Using hypergraphs and higraphs as leading examples, a locally ordered category Graph(C) of graphs in a locally ordered category C is defined and endowed with symmetric monoidal closed structure. Two other operations on higraphs and variants, selected for relevance to computing applications, are generalised in this setting.
Original languageEnglish
Pages (from-to)346-357
Number of pages12
JournalElectronic Notes in Theoretical Computer Science
Publication statusPublished - 2001


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