Special sets of the Hermitian surface and indicator sets |
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| Authors: | Antonio Cossidente Giuseppe Marino Olga Polverino |
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| Affiliation: | 1. Dipartimento di Matematica, Università della Basilicata, Contrada Macchia Romana, 85100 Potenza, Italy;2. Dipartimento di Matematica e Applicazioni “R. Caccioppoli”, Università degli Studi di Napoli “Federico II”, Complesso Monte S. Angelo, 80126 Napoli, Italy;3. Dipartimento di Matematica, Seconda Università di Napoli, Via Vivaldi, 43, 81100 Caserta, Italy |
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| Abstract: | An interesting connection between special sets of the Hermitian surface of PG(3,q2), q odd, (after Shult 13 ) and indicator sets of line‐spreads of the three‐dimensional projective space is provided. Also, the CP‐type special sets are characterized. © 2007 Wiley Periodicals, Inc. J Combin Designs 16: 18–24, 2008 |
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| Keywords: | Hermitian surface special set ovoid commuting polarities |
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