Semiovals contained in the union of three concurrent linesBlokhuis, Aart (Avtor) Kiss, György (Avtor) Kovács, István (Avtor) Malnič, Aleksander (Avtor) Marušič, Dragan (Avtor) Ruff, János (Avtor) mathematicssemiovalgroup factorizationSemiovals which are contained in the union of three concurrent lines are studied. The notion of a strong semioval is introduced, and a complete classification of these objects in PG▫$(2,p)$▫ and PG▫$(2,p^2)$▫, ▫$p$▫ an odd prime, is given.20072013-10-15 12:06:27Delo ni kategorizirano1833ISSN: 1063-8539UDK: 514.14:519.1COBISS.SI-ID: 14385753sl