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Nilpotent schemes and group-like schemes |
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| Authors: | Akihide Hanaki |
| Institution: | Faculty of Science, Shinshu University, Matsumoto 390-8621, Japan |
| Abstract: | We give a definition of nilpotent association schemes as a generalization of nilpotent groups and investigate their basic properties. Moreover, for a group-like scheme, we characterize the nilpotency by its character products. |
| Keywords: | Association scheme Nilpotent Character Group-like scheme |
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