Mihai Ciucu, Markus Fulmek and Christian Krattenthaler

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

(Extended Abstract)

(12 pages)

Abstract. 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.


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