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Unformatted text preview: ngon as the base, and let u n be the number of triangulations with in which a side other than the base has been marked. Let v n be the number of triangulations in which one of the edges of the triangulation (either a diagonal or a side, including the base) has been turned into an arrow. Show that u n = ( n1 ) t n v n = ( 4 n6 ) t n . Then show that u n + 1 = v n . Use these three equations to reprove part (c) directly. 1...
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This note was uploaded on 05/19/2010 for the course MATH mat 146 taught by Professor Gregkuperberg during the Spring '10 term at UC Davis.
 Spring '10
 GregKuperberg

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