Abstract
Partial geometric difference sets (PGDSs) were defined in Olmez (J Combin Des 22(6):252–269, 2014). They are used to construct partial geometric designs. We use the framework of extended building sets to find infinite families of PGDSs in abelian groups. Included in our new families of PGDSs are generalizations of the Hadamard, McFarland, Spence, Davis-Jedwab, and Chen difference sets.
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A point-block pair (x, B) is called a flag if \(x\in B\); otherwise, it is called an antiflag.
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Acknowledgements
The authors gratefully acknowledge the generous support supplied by the Institute for Mathematical Sciences, National University of Singapore. James A. Davis acknowledges the support provided by NSA Grant H98230-16-1-0007. Oktay Olmez acknowledges the support provided by TUBITAK Research Grant Project No. 115F064.
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Communicated by J. Jedwab.
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Davis, J.A., Olmez, O. A framework for constructing partial geometric difference sets. Des. Codes Cryptogr. 86, 1367–1375 (2018). https://doi.org/10.1007/s10623-017-0400-2
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DOI: https://doi.org/10.1007/s10623-017-0400-2
Keywords
- Difference sets
- Partial geometric difference sets
- Partial geometric designs
- Building sets
- Extended building sets