Operations and equations for coalgebras

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Authors	KURZ A. ROSICKÝ J.
Year of publication	2005
Type	Article in Periodical
Magazine / Source	Mathematical Structures in Computer Science
MU Faculty or unit	Faculty of Science
Citation
Field	General mathematics
Keywords	operation; coequation; coalgebra
Description	We show how coalgebras can be presented by operations and coequations. We prove a general co-Birkhoff theorem describing covarieties of coalgebras by means of coequations.
Related projects:	Categorical Methods of the Theory of Structures and Computer Science Mathematical structures of algebra and geometry