In mathematics, particularly in the field of graph theory, a **polygraph** is a generalization of a conventional graph that incorporates both objects and the relationships between them that can be expressed in terms of their generating relations. Polygraphs can be thought of as structured data that includes sets of vertices and edges along with additional combinatorial or algebraic structures. Polygraphs are primarily used in the study of algebraic structures, homotopy theory, and category theory.
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