Note on Character Varieties and Cluster Algebras

We use Bonahon-Wong's trace map to study character varieties of the once-punctured torus and of the 4-punctured sphere. We clarify a relationship with the cluster algebra associated with ideal triangulations of surfaces, and we show that the Goldman Poisson algebra of loops on surfaces is recov...

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Опубліковано в: :Symmetry, Integrability and Geometry: Methods and Applications
Дата:2019
Автор: Hikami, K.
Формат: Стаття
Мова:English
Опубліковано: Інститут математики НАН України 2019
Онлайн доступ:https://nasplib.isofts.kiev.ua/handle/123456789/210072
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Note on Character Varieties and Cluster Algebras / K. Hikami // Symmetry, Integrability and Geometry: Methods and Applications. — 2019. — Т. 15. — Бібліогр.: 50 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
id nasplib_isofts_kiev_ua-123456789-210072
record_format dspace
spelling Hikami, K.
2025-12-02T09:39:01Z
2019
Note on Character Varieties and Cluster Algebras / K. Hikami // Symmetry, Integrability and Geometry: Methods and Applications. — 2019. — Т. 15. — Бібліогр.: 50 назв. — англ.
1815-0659
2010 Mathematics Subject Classification: 13F60; 30F60; 33E17; 57Q15
arXiv: 1711.03379
https://nasplib.isofts.kiev.ua/handle/123456789/210072
https://doi.org/10.3842/SIGMA.2019.003
We use Bonahon-Wong's trace map to study character varieties of the once-punctured torus and of the 4-punctured sphere. We clarify a relationship with the cluster algebra associated with ideal triangulations of surfaces, and we show that the Goldman Poisson algebra of loops on surfaces is recovered from the Poisson structure of the cluster algebra. It is also shown that cluster mutations give the automorphism of the character varieties. Motivated by a work of Chekhov-Mazzocco-Rubtsov, we revisit confluences of punctures on the sphere from a cluster algebraic viewpoint, and we obtain associated affine cubic surfaces constructed by van der Put-Saito based on the Riemann-Hilbert correspondence. Further studies are quantizations of character varieties by use of quantum cluster algebra.
The author would like to thank Thang Le for the communications during the Workshop "Low-Dimensional Topology and Number Theory" at Mathematisches Forschungsinstitut Oberwolfach in August 2017. He thanks the organizers for the invitation. Thanks are also due to the speakers of "Geometry of Moduli Spaces and Integrable Systems" at Gakushuin University, Tokyo, in September 2017. This work is supported in part by JSPS KAKENHI Grant Numbers JP16H03927, JP17K05239, JP17K18781, and JP16H02143.
en
Інститут математики НАН України
Symmetry, Integrability and Geometry: Methods and Applications
Note on Character Varieties and Cluster Algebras
Article
published earlier
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
title Note on Character Varieties and Cluster Algebras
spellingShingle Note on Character Varieties and Cluster Algebras
Hikami, K.
title_short Note on Character Varieties and Cluster Algebras
title_full Note on Character Varieties and Cluster Algebras
title_fullStr Note on Character Varieties and Cluster Algebras
title_full_unstemmed Note on Character Varieties and Cluster Algebras
title_sort note on character varieties and cluster algebras
author Hikami, K.
author_facet Hikami, K.
publishDate 2019
language English
container_title Symmetry, Integrability and Geometry: Methods and Applications
publisher Інститут математики НАН України
format Article
description We use Bonahon-Wong's trace map to study character varieties of the once-punctured torus and of the 4-punctured sphere. We clarify a relationship with the cluster algebra associated with ideal triangulations of surfaces, and we show that the Goldman Poisson algebra of loops on surfaces is recovered from the Poisson structure of the cluster algebra. It is also shown that cluster mutations give the automorphism of the character varieties. Motivated by a work of Chekhov-Mazzocco-Rubtsov, we revisit confluences of punctures on the sphere from a cluster algebraic viewpoint, and we obtain associated affine cubic surfaces constructed by van der Put-Saito based on the Riemann-Hilbert correspondence. Further studies are quantizations of character varieties by use of quantum cluster algebra.
issn 1815-0659
url https://nasplib.isofts.kiev.ua/handle/123456789/210072
citation_txt Note on Character Varieties and Cluster Algebras / K. Hikami // Symmetry, Integrability and Geometry: Methods and Applications. — 2019. — Т. 15. — Бібліогр.: 50 назв. — англ.
work_keys_str_mv AT hikamik noteoncharactervarietiesandclusteralgebras
first_indexed 2025-12-07T21:24:16Z
last_indexed 2025-12-07T21:24:16Z
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