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Let R be a Riemann surface of infinite analytic type, T(R) and AT(R) be the Teichmüller space and asymptotic Teichmüller space on R respectively. The purpose of this paper is to discuss some problems related to geodesics in AT(R). It is proved that uniqueness of geodesics joining two given points [??] and [??] in T (R) dose not imply uniqueness of geodesics joining?[[??]] and [[??]] in AT(R). Furthermore, a Beltrami differential??? is constructed such that there are infinitely many geodesics joining [[0]] and?[[??]] in AT(R), and a sufficient condition to determine the difference of the geodesics [[t?? 1]] and [[t?? 2]] (0??? t??? 1) joining [[0]] and?[[??]] in AT(??) is given.  相似文献
2.
Let T(Δ) and B(Δ) be the Teichmüller space and the infinitesimal Teichmüller space of the unit disk Δ respectively. In this paper, we show that [ν] B(Δ) being an infinitesimal Strebel point does not imply that [ν] T(Δ) is a Strebel point, vice versa. As an application of our results, problems proposed by Yao are solved. This work was supported by the National Natural Science Foundation of China (Grant No. 10571028)  相似文献
3.
令$S(p)$表示单位圆盘$\mathbb{D}$上在$p\in(0,1)$处有一个简单极点的单叶亚纯函数全体.令$\alpha\in[0,1)$,我们用$\Sigma^{*}(p,\omega_{0},\alpha)$表示$f\in S(p)$使得$\hat{\mathbb{C}}\setminus f(\mathbb{D})$是关于不动点$\omega_{0}\neq0$, $\infty$星象的$\alphga$阶区域的函数全体.在本文中,$f\in\Sigma^{*}(p,\omega_{0},\alpha)$的一些解析刻画条件和系数估计被考虑.  相似文献
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