Authors: E. Kamenov and L. Mutafchiev
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  • 1 Sofia University “St. Kliment Ohridski” Faculty of Mathematics and Informatics James Bouchier Blvd. 5 Sofia 1164 Bulgaria
  • 2 American University in Bulgaria 2700 Blagoevgrad Bulgaria
  • 3 Institute of Mathematics and Informatics of the Bulgarian Academy of Sciences Acad. G. Bonche str., bl. 8 1113 Sofia Bulgaria
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Abstract  

We study the asymptotic behaviour of the trace (the sum of the diagonal parts) τ n = τ n(ω) of a plane partition ω of the positive integer n, assuming that ω is chosen uniformly at random from the set of all such partitions. We prove that (τ nc 0 n 2/3)/c 1 n 1/3 log1/2 n converges weakly, as n → ∞, to the standard normal distribution, where c 0 = ζ(2)/ [2ζ(3)]2/3, c 1 = √(1/3/) [2ζ(3)]1/3 and ζ(s) = Σj=1 j s.

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