Geodesic
Blocking sets and derivable partial spreads
Journal of Algebraic Combinatorics, Tome 14 (2001) no. 1, pp. 49-56.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: We prove that a $GF( q)$-linear Rédei blocking set of size $q ^{t} + q ^{ t-1} + ;;; + q + 1$ of $P$G$(2, q ^{t})$ defines a derivable partial spread of $P$G($2 t - 1, q$). 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 $P$G$(2, q ^{t})$, if $tge$ 4.
Keywords: spread, translation plane, blocking set 
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     title = {Blocking sets and derivable partial spreads},
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Lunardon, G.; Polverino, O. Blocking sets and derivable partial spreads. Journal of Algebraic Combinatorics, Tome 14 (2001) no. 1, pp. 49-56. http://geodesic.mathdoc.fr/item/JAC_2001__14_1_a2/