The universal commensurability Busemann horofunction compactified Teichmüller space

The universal commensurability Busemann horofunction compactified Teichmüller space
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普适性 Busemann 星函数紧化 Teichmüller 空间

DOI:
10.1002/mana.202100557
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发表时间:
2023
影响因子:
1
通讯作者:
Dong Tan
Dong Tan
中科院分区:
数学3区
文献类型:
--
作者:
Guangming Hu;Zhiyang Lv;Hideki Miyachi;Y. Qi;Dong Tan

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本文引进了Busemann钟表紧致Teichmülller空间的直接极限T-∞B(S)$数学{T}-{B}(S)$.证明了泛可公度模群Mod∞(S)$\Text{MoD}_{Infty}(S)$在T∞B(S)$\数学{T}_{Infty}^{B}(S)$上的作用是等距的,且对T∞(S)$\数学{T}_{Infty}(S)$中的任一点,其在此作用下的轨道在T∞B(S)$\数学{T}^{B}_{Infty}()$中是稠密的.此外,利用特征塔构造了Busemann钟函数紧模空间的直接极限M∞B(S)$\数学{M}^{B}_{Inty}(S)$,并证明了子群Caut(π1(S))$\Text{Caut}(\pi_{1}(S))$作用于T∞(S)$\Text{∞}_(S)$作用于T Mod B(S)$\数学{T}^{B}_{\Infty}(S)$M∞B(S)$\数学{M}^{B}_{\inty}(S)$作为商。最后,我们得到了泛可公度Teichmüler空间中两条Jenkins-Strebel射线之间的极限距离公式。
In this paper, the direct limit T∞B(S)$\mathcal {T}_{\infty }^{B}(S)$ of Busemann horofunction compactified Teichmülller spaces is introduced. It is shown that the action of the universal commensurability modular group Mod∞(S)$\text{Mod}_{\infty }(S)$ on T∞B(S)$\mathcal {T}_{\infty }^{B}(S)$ is isometric and for any point in the universal commensurability Teichmüller space T∞(S)$\mathcal {T}_{\infty }(S)$ , its orbit under this action is dense in T∞B(S)$\mathcal {T}^{B}_{\infty }(S)$ . Furthermore, we construct the direct limit M∞B(S)$\mathcal {M}^{B}_{\infty }(S)$ of Busemann horofunction compactified moduli spaces by the characteristic towers and show that the subgroup Caut(π1(S))$\text{Caut}(\pi _{1}(S))$ of Mod∞(S)$\text{Mod}_{\infty }(S)$ acts on T∞B(S)$\mathcal {T}^{B}_{\infty }(S)$ to produce M∞B(S)$\mathcal {M}^{B}_{\infty }(S)$ as the quotient. Finally, we get a formula of the limit distance between two Jenkins–Strebel rays in the universal commensurability Teichmüller space.
Teichmuller 射线和 Teichmuller 空间的 Gardiner-Masur 边界,Geom
DOI: --
发表时间: 2008
期刊: Dedicata 137
影响因子: --
作者:
Yoshinobu;Kamishima;Hideki Miyachi
通讯作者: Hideki Miyachi