Proof of a conjecture of Burr, GrΓΌnbaum,
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Jacob E. Goodman
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Article
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1980
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Elsevier Science
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English
β 926 KB
We establish a duality principle for arrangements of pseudolines in the projective plane, and thereby prove the conjecture of Burr, Griinbaum, and Sloane that the solution T(p) of the "orchard problem" for pseudoline arrangements and the solution r(p) of the dual problem xe equa1.