Abstract
Let C be a four-weight binary code, which has all one vector. Furthermore, we assume that C supports t-designs for all weights obtained from the Assmus–Mattson theorem. We previously showed that \(t\le 5\). In the present paper, we show an analogue of this result in the cases of five and six-weight codes.
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Acknowledgements
The authors would like to thank the anonymous reviewers for their beneficial comments on an earlier version of the manuscript. The second named author was supported by JSPS KAKENHI (22K03277). We thank Maxine Garcia, PhD, from Edanz (https://jp.edanz.com/ac) for editing a draft of this manuscript.
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Communicated by V. D. Tonchev.
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Bannai, E., Miezaki, T. & Nakasora, H. A note on the Assmus–Mattson theorem for some binary codes II. Des. Codes Cryptogr. 91, 2509–2522 (2023). https://doi.org/10.1007/s10623-023-01212-w
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DOI: https://doi.org/10.1007/s10623-023-01212-w