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- W1964958339 abstract "For any simple arrangement A of n⩾4 pseudolines in the realprojective plane, it is easy to show that the number P3 of triangles in the 2-dimensional cell complex associated with A satisfies P3⩽13n(n−1). In this paper we construct infinite classes of simple arrangements for which P3=13n(n-1), answering negatively a conjecture of Grünbaum. An interpretation of our results in terms of oriented matroids is also given." @default.
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- W1964958339 date "1986-06-01" @default.
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- W1964958339 title "On the number of triangles in simple arrangements of pseudolines in the real projective plane" @default.
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- W1964958339 doi "https://doi.org/10.1016/0012-365x(86)90016-6" @default.
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