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Catene di cerchi ottenibili mediante punti pseudoregolari rispetto ad una conica di un piano di Galois


Abstract


Let Q be an elliptic quadric of PG(3,q), q odd: the study of certain sets of (q+3)/2 circles on Q, so-called chains, is important for the theory of translation planes (cfr.[1]). Here one studies the chains with the property that the planes of (q+1)/2 or (q-1)/2 circles of the chains all meet in one point and one gaves various examples.

DOI Code: 10.1285/i15900932v1n1p113

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