Enumeration of rhombus tilings of a hexagon which contain a fixed rhombus on its symmetry axis

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We compute the number of rhombus tilings of a hexagon with sides $N,M,N,N,M,N$, which contain a fixed rhombus on the symmetry axis. A special case solves a problem posed by Jim Propp.
21 pages, AmS-LaTeX, uses TeXDraw Extended Abstract, submitted to FPSAC'98

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Combinatorics, 05A15 05A19 05B45 52C20

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http://salesiana.dossiersoluciones.com/handle/123456789/76387

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9712201
 http://arxiv.org/abs/math/9712201

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arXiv