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Halving PSL(2,q)

Abstract

We show that PSL(2,q), q≢ 3(mod 4), contains a subset of half the cardinality of PSL(2,q), which is uniformly 2-homogeneous on the projective line.

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References

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Bierbrauer, J., Edel, Y. Halving PSL(2,q). J Geom 64, 51–54 (1999). https://doi.org/10.1007/BF01229211

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  • DOI: https://doi.org/10.1007/BF01229211

Keywords

  • Projective Line