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2021 The invariant measure of PushASEP with a wall and point-to-line last passage percolation
Will FitzGerald
Author Affiliations +
Electron. J. Probab. 26: 1-26 (2021). DOI: 10.1214/21-EJP661

Abstract

We consider an interacting particle system on the lattice involving pushing and blocking interactions, called PushASEP, in the presence of a wall at the origin. We show that the invariant measure of this system is equal in distribution to a vector of point-to-line last passage percolation times in a random geometrically distributed environment. The largest co-ordinates in both of these vectors are equal in distribution to the all-time supremum of a non-colliding random walk.

Funding Statement

I am grateful for the financial support of the Royal Society Enhancement Award ‘Log-correlated Gaussian fields and symmetry classes in random matrix theory RGF\EA\181085.’

Acknowledgments

I am very grateful to Jon Warren for helpful and stimulating discussions and to Neil O’Connell for suggesting the approach in Section 2.1.

Citation

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Will FitzGerald. "The invariant measure of PushASEP with a wall and point-to-line last passage percolation." Electron. J. Probab. 26 1 - 26, 2021. https://doi.org/10.1214/21-EJP661

Information

Received: 29 October 2020; Accepted: 7 June 2021; Published: 2021
First available in Project Euclid: 23 June 2021

Digital Object Identifier: 10.1214/21-EJP661

Subjects:
Primary: 60C05, 60J45, 60K35

JOURNAL ARTICLE
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Vol.26 • 2021
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