Nous classons les éléments d’un groupe modulaire de cluster en trois types. Nous les caractérisons en termes de propriété de point fixe de l’action sur les compactifications tropicales associées à l’ensemble de cluster correspondant. La caractérisation donne un analogue de la théorie de classification de Nielsen–Thurston sur le groupe modulaire d’une surface.
We classify elements of a cluster modular group into three types. We characterize them in terms of fixed point property of the action on the tropical compactifications associated with the corresponding cluster ensemble. The characterization gives an analogue of the Nielsen–Thurston classification theory on the mapping class group of a surface.
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DOI : 10.5802/aif.3250
Keywords: cluster modular groups, mapping class groups, decorated Teichmüller theory
Mot clés : groupes modulaires de cluster, groupes modulaire, théorie de Teichmuller décorée
Ishibashi, Tsukasa 1
@article{AIF_2019__69_2_515_0, author = {Ishibashi, Tsukasa}, title = {On a {Nielsen{\textendash}Thurston} classification theory for cluster modular groups}, journal = {Annales de l'Institut Fourier}, pages = {515--560}, publisher = {Association des Annales de l{\textquoteright}institut Fourier}, volume = {69}, number = {2}, year = {2019}, doi = {10.5802/aif.3250}, zbl = {07067411}, language = {en}, url = {https://aif.centre-mersenne.org/articles/10.5802/aif.3250/} }
TY - JOUR AU - Ishibashi, Tsukasa TI - On a Nielsen–Thurston classification theory for cluster modular groups JO - Annales de l'Institut Fourier PY - 2019 SP - 515 EP - 560 VL - 69 IS - 2 PB - Association des Annales de l’institut Fourier UR - https://aif.centre-mersenne.org/articles/10.5802/aif.3250/ DO - 10.5802/aif.3250 LA - en ID - AIF_2019__69_2_515_0 ER -
%0 Journal Article %A Ishibashi, Tsukasa %T On a Nielsen–Thurston classification theory for cluster modular groups %J Annales de l'Institut Fourier %D 2019 %P 515-560 %V 69 %N 2 %I Association des Annales de l’institut Fourier %U https://aif.centre-mersenne.org/articles/10.5802/aif.3250/ %R 10.5802/aif.3250 %G en %F AIF_2019__69_2_515_0
Ishibashi, Tsukasa. On a Nielsen–Thurston classification theory for cluster modular groups. Annales de l'Institut Fourier, Tome 69 (2019) no. 2, pp. 515-560. doi : 10.5802/aif.3250. https://aif.centre-mersenne.org/articles/10.5802/aif.3250/
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