Journal
JOURNAL OF STATISTICAL PHYSICS
Volume 183, Issue 2, Pages -Publisher
SPRINGER
DOI: 10.1007/s10955-021-02756-8
Keywords
Limit shape; Partition; Young diagram; Gibbs ensemble
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This study extends a prior investigation of limit shapes for grand canonical Gibbs ensembles of partitions of integers, which was based on analysis of sums of geometric random variables. It computes limit shapes for partitions of sets, which lead to the sums of Poisson random variables under mild monotonicity assumptions on the energy function. All possible limit shapes arising from different asymptotic behaviors of the energy are derived, and local limit shape profiles are computed for cases in which the limit shape is a step function.
This study extends a prior investigation of limit shapes for grand canonical Gibbs ensembles of partitions of integers, which was based on analysis of sums of geometric random variables. Here we compute limit shapes for partitions of sets, which lead to the sums of Poisson random variables. Under mild monotonicity assumptions on the energy function, we derive all possible limit shapes arising from different asymptotic behaviors of the energy, and also compute local limit shape profiles for cases in which the limit shape is a step function.
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