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Generalized quantum cluster structure of reduced Lê--Roger--Yang skein algebras and their Frobenius maps
Abstract
We establish a generalized quantum cluster algebra structure, defined by Bai--Chen--Ding--Xu, on the reduced Lê--Roger--Yang skein algebra of every quasi-triangulable punctured surface. We define Frobenius maps for generalized quantum cluster algebras at roots of unity and use these maps, together with the cluster algebra structure, to construct Frobenius maps for the (reduced) Lê--Roger--Yang skein algebras of all punctured surfaces. As applications of the Frobenius map, we determine the centers of both the Muller--Roger--Yang skein algebras and the reduced Lê--Roger--Yang skein algebras at roots of unity, and compute their ranks as modules over their centers.
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BibTeX
@misc{huang2026generalized,
title = {{Generalized quantum cluster structure of reduced Lê--Roger--Yang skein algebras and their Frobenius maps}},
author = {Min Huang and Zhihao Wang},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.04823},
eprint = {2610.04823},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.04823},
}
RIS
TY - UNPB
TI - Generalized quantum cluster structure of reduced Lê--Roger--Yang skein algebras and their Frobenius maps
AU - Min Huang
AU - Zhihao Wang
PY - 2026
DA - 2026/10/04
PB - arXiv
DO - 10.48550/arxiv.2610.04823
UR - https://arxiv.org/abs/2610.04823
AB - We establish a generalized quantum cluster algebra structure, defined by Bai--Chen--Ding--Xu, on the reduced Lê--Roger--Yang skein algebra of every quasi-triangulable punctured surface. We define Frobenius maps for generalized quantum cluster algebras at roots of unity and use these maps, together with the cluster algebra structure, to construct Frobenius maps for the (reduced) Lê--Roger--Yang skein algebras of all punctured surfaces. As applications of the Frobenius map, we determine the centers of both the Muller--Roger--Yang skein algebras and the reduced Lê--Roger--Yang skein algebras at roots of unity, and compute their ranks as modules over their centers.
ER -