On sets of class [1, q + 1, 2q + 1]_2 in PG(3, q)
In this note we prove that a set of class [1, q+1, 2q+1]_2 in PG(3, q) is either a line, or an ovoid, or a (q^2+q+1)-set of type (1, q+1, 2q+1)_2 or a (q+1)^2-set of type (q+1, 2q+1)_2, or a unique, up to projective equivalence, sporadic 19-set of type (1,4,7) in PG(3,3).
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Accademia Peloritana dei Pericolanti
2018-11-01
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| Series: | Atti della Accademia Peloritana dei Pericolanti : Classe di Scienze Fisiche, Matematiche e Naturali |
| Online Access: |
http://dx.doi.org/10.1478/AAPP.96S2A6
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