Blocking Sets and Derivable Partial Spreads |
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Authors: | G Lunardon O Polverino |
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Institution: | (1) Dip. di Matematica e Applicazioni, Complesso di Monte S. Angelo-Edificio T, Via Cintia, I-80126 Napoli, Italy |
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Abstract: | We prove that a GF(q)-linear Rédei blocking set of size q
t + q
t–1 + ··· + q + 1 of PG(2,q
t) defines a derivable partial spread of PG(2t – 1, q). Using such a relationship, we are able to prove that there are at least two inequivalent Rédei minimal blocking sets of size q
t + q
t–1 + ··· + q + 1 in PG(2,q
t), if t 4. |
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Keywords: | spread translation plane blocking set |
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