We define an algebraic theory of hierarchical graphs, whose axioms characterise graph isomorphism: two terms are equated exactly when they represent the same graph. Our algebra can be understood as a high-level language for describing graphs with a node-sharing, embedding structure, and it is then well suited for defining graphical representations of software models where nesting and linking are key aspects.

An algebra of hierarchical graphs

BRUNI, ROBERTO;GADDUCCI, FABIO;
2010-01-01

Abstract

We define an algebraic theory of hierarchical graphs, whose axioms characterise graph isomorphism: two terms are equated exactly when they represent the same graph. Our algebra can be understood as a high-level language for describing graphs with a node-sharing, embedding structure, and it is then well suited for defining graphical representations of software models where nesting and linking are key aspects.
2010
9783642156397
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/200434
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