An A -semiaffine plane is a linear space with the property that the number π(P,l) of lines through a point P∉l which are parallel to l is a number in the set A . In the paper under review the case A={1,2,3} is completely solved. In fact, the authors show by direct arguments that every finite {1,2,3}-semiaffine plane is naturally embeddable into a finite projective plan

On finite (1,2,3) -semiaffine planes / Olanda, Domenico; LO RE, PIA MARIA. - In: JOURNAL OF GEOMETRY. - ISSN 0047-2468. - STAMPA. - 30:1(1987), pp. 85-102.

On finite (1,2,3) -semiaffine planes.

OLANDA, DOMENICO;LO RE, PIA MARIA
1987

Abstract

An A -semiaffine plane is a linear space with the property that the number π(P,l) of lines through a point P∉l which are parallel to l is a number in the set A . In the paper under review the case A={1,2,3} is completely solved. In fact, the authors show by direct arguments that every finite {1,2,3}-semiaffine plane is naturally embeddable into a finite projective plan
1987
On finite (1,2,3) -semiaffine planes / Olanda, Domenico; LO RE, PIA MARIA. - In: JOURNAL OF GEOMETRY. - ISSN 0047-2468. - STAMPA. - 30:1(1987), pp. 85-102.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/484137
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