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Advances in Geometry
In  , a characterization of the finite quadric Veronesean V 2 n n by means of properties of the set of its tangent spaces is proved. These tangent spaces form a regular generalised dual arc. We prove an extension result for regular generalised dual arcs. To motivate our research, we show how they are used to construct a large class of secret sharing schemes.doi:10.1515/advgeom.2011.040 fatcat:chlv2rnkuzerliszsfmdxvwnlq