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\(n^ 2\)-sets in a projective plane which determine exactly \(n^ 2+n\) lines. (English) Zbl 0459.51007


MSC:

51E15 Finite affine and projective planes (geometric aspects)
Full Text: DOI

References:

[1] A. BRUEN. -The number of lines determined of n 2 points. J. Com. Theory15, 225–241 (1973). · Zbl 0259.05006 · doi:10.1016/S0097-3165(73)80009-3
[2] H. S. M. COXETER. -The real projective plane, Cambridge Univ. Press, New York 1961. · Zbl 0032.11302
[3] P. ERDOS. -Problem N 4065, Amer. Math. Montly51 (1944).
[4] H. HANANI. -On the number of straight lines determined by n points, Riv. Lematematika5, 10–11 (1959).
[5] F. KARTESZI. -Alcuni problemi della geometria di incidenza, Conf. Sem. Mat. Univ. Bari, n.88 (1963). · Zbl 0141.18003
[6] G. KORCHMAROS. -On n 2 -sets of type(0,1,n) in projective planes, to appear · Zbl 0456.51007
[7] L. M. KELLY - W. O. F. MOSER. -On the number of lines and planes determined by n points, Canada, J. Math.10, 210–219 (1958). · Zbl 0081.15103 · doi:10.4153/CJM-1958-024-6
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