On the Crossing Number of without Computer Assistance |
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Authors: | Dan McQuillan R. Bruce Richter |
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Affiliation: | 1. DEPARTMENT OF MATHEMATICS, NORWICH UNIVERSITY, NORTHFIELD, VT;2. DEPARTMENT OF COMBINATORICS AND OPTIMIZATION, UNIVERSITY OF WATERLOO, WATERLOO, CANADA |
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Abstract: | We present several general results about drawings of , as a beginning to trying to determine its crossing number. As application, we give a complete proof that the crossing number of K9 is 36 and that all drawings in one large, natural class of drawings of K11 have at least 100 crossings. |
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Keywords: | crossing number complete graph |
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