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Connectedness of PBIB designs having asymmetrical association schemes

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Summary

A necessary and sufficient condition for the connectedness ofm-associate partially balanced incomplete block (PBIB) designs having an asymmetrical association scheme is given, only in terms of design parameters, without inner structure parameters of designs.

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Authors and Affiliations

  1. Hiroshima University, Hiroshima, Japan

    Sanpei Kageyama

Authors
  1. Sanpei Kageyama
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Additional information

Supported in part by Grant 321-6066-58530013 (Japan).

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Kageyama, S. Connectedness of PBIB designs having asymmetrical association schemes. Ann Inst Stat Math 37, 139–143 (1985). https://doi.org/10.1007/BF02481086

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  • DOI: https://doi.org/10.1007/BF02481086

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