English

Finite-Memory Elephant Random Walk and the Central Limit Theorem for Additive Functionals

Probability 2020-05-04 v2

Abstract

The Central Limit Theorem (CLT) for additive functionals of Markov chains is a well known result with a long history. In this paper we present applications to two finite-memory versions of the Elephant Random Walk, solving a problem from arXiv:1812.01915. We also present a derivation of the CLT for additive functionals of finite state Markov chains, which is based on positive recurrence, the CLT for IID sequences and some elementary linear algebra, and which focuses on characterization of the variance.

Keywords

Cite

@article{arxiv.1911.05716,
  title  = {Finite-Memory Elephant Random Walk and the Central Limit Theorem for Additive Functionals},
  author = {Iddo Ben-Ari and Jonah Green and Taylor Meredith and Hugo Panzo and Xiaoran Tan},
  journal= {arXiv preprint arXiv:1911.05716},
  year   = {2020}
}

Comments

19 pages, 2 figures

R2 v1 2026-06-23T12:14:53.845Z