Professor Sunil Chhita sunil.chhita@durham.ac.uk
Early Career Fellowship
On the domino shuffle and matrix refactorizations
Chhita, Sunil; Duits, Maurice
Authors
Maurice Duits
Abstract
This paper is motivated by computing correlations for domino tilings of the Aztec diamond. It is inspired by two of the three distinct methods that have recently been used in the simplest case of a doubly periodic weighting, that is, the two-periodic Aztec diamond. One of the methods, powered by the domino shuffle, involves inverting the Kasteleyn matrix giving correlations through the local statistics formula. Another of the methods, driven by a Wiener–Hopf factorization for two-by-two matrix-valued functions, involves the Eynard–Mehta Theorem. For arbitrary weights, the Wiener–Hopf factorization can be replaced by an LU- and UL-decomposition, based on a matrix refactorization, for the product of the transition matrices. This paper shows that, for arbitrary weightings of the Aztec diamond, the evolution of the face weights under the domino shuffle and the matrix refactorization is the same. In particular, these dynamics can be used to find the inverse of the LGV matrix in the Eynard–Mehta Theorem.
Citation
Chhita, S., & Duits, M. (2023). On the domino shuffle and matrix refactorizations. Communications in Mathematical Physics, 401(2), 1417-1467. https://doi.org/10.1007/s00220-023-04676-y
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 3, 2023 |
Online Publication Date | Apr 6, 2023 |
Publication Date | 2023-07 |
Deposit Date | Feb 13, 2023 |
Publicly Available Date | Jul 5, 2023 |
Journal | Communications in Mathematical Physics |
Print ISSN | 0010-3616 |
Electronic ISSN | 1432-0916 |
Publisher | Springer |
Peer Reviewed | Peer Reviewed |
Volume | 401 |
Issue | 2 |
Pages | 1417-1467 |
DOI | https://doi.org/10.1007/s00220-023-04676-y |
Public URL | https://durham-repository.worktribe.com/output/1181101 |
Related Public URLs | https://arxiv.org/abs/2208.01344 |
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