Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2000-06-23
J.Phys.A33:8835-8866,2000
Physics
Condensed Matter
Statistical Mechanics
35 pages, AmS-LaTeX; Definitions of n-friendly walkers clarified; the statement of Theorem 4 and its proof were corrected
Scientific paper
10.1088/0305-4470/33/48/318
We derive new results for the number of star and watermelon configurations of vicious walkers in the presence of an impenetrable wall by showing that these follow from standard results in the theory of Young tableaux, and combinatorial descriptions of symmetric functions. For the problem of $n$-friendly walkers, we derive exact asymptotics for the number of stars and watermelons both in the absence of a wall and in the presence of a wall.
Guttmann Anthony J.
Krattenthaler Christian
Viennot Xavier G.
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