On finite-dimensional commutative non-he
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Tirthankar Bhattacharyya
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Article
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1999
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Elsevier Science
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English
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We characterize the three and four dimensional commutative non-hermitian fusion algebras and construct some new examples of these objects. These algebras arise naturally in the study of graphs, specially those associated with von Neumann algebras. Characterisations of hermitian fusion algebras have