Coset intersection of irreducible plane cubics |
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Authors: | Gábor Korchmáros Nicola Pace |
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Affiliation: | 1. Dipartimento di Matematica e Informatica, Università della Basilicata, Contrada Macchia Romana, 85100, Potenza, Italy 2. Inst. de Ciências Matemáticas e de Computa??o, Universidade de S?o Paulo, Av. do Trabalhador S?o-Carlense, 400, S?o Carlos, SP, 13560-970, Brazil
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Abstract: | In a projective plane $PG(2,mathbb K )$ over an algebraically closed field $mathbb K $ of characteristic $pge 0$ , let $Omega $ be a pointset of size $n$ with $5le n le 9$ . The coset intersection problem relative to $Omega $ is to determine the family $mathbf F$ of irreducible cubics in $PG(2,mathbb K )$ for which $Omega $ is a common coset of a subgroup of the additive group $(mathcal F ,+)$ for every $mathcal F in mathbf F$ . In this paper, a complete solution of this problem is given. |
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