Generalized immediate exchange models and their symmetries

Frank Redig, Federico Sau*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)


We reconsider the discrete dual of the immediate exchange model and define a more general class of models where mass is split, exchanged and merged. We relate the splitting process to the symmetric inclusion process via thermalization and from that obtain symmetries and self-duality for it and its generalization. We show that analogous properties hold for models where the splitting is related to the symmetric exclusion process or to independent random walkers.

Original languageEnglish
Pages (from-to)3251-3267
Number of pages17
JournalStochastic Processes and their Applications
Issue number10
Publication statusPublished - 2017


  • Immediate exchange models
  • Self-duality
  • Symmetric inclusion process
  • Symmetries
  • Thermalization


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