The classical 1-system of Q (7, q) and two-character sets

  • Antonio Cossidente


We will show that associated with the classical 1-system of the elliptic quadric Q (7, q) are certain infinite families of two-character sets with respect to hyperplanes, and partial ovoids of Q +(15, q).


Line-spread 1-system Finite orthogonal group Finite symplectic group Maximal subgroup Two-character set Partial ovoid 

Mathematics Subject Classifications (2000)

05B25 05E30 94B25 


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Dipartimento di Matematica e InformaticaUniversità degli Studi della BasilicataPotenzaItaly

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