In this paper, we investigate the Hansdorff dimension of a class of exceptional sets occurring in Oppenheim series expansion. As an application, we get the exact Hansdorff dimension of the set in Liiroth series expans...In this paper, we investigate the Hansdorff dimension of a class of exceptional sets occurring in Oppenheim series expansion. As an application, we get the exact Hansdorff dimension of the set in Liiroth series expansion. Moreover, we give an estimate of such dimensional number.展开更多
In this paper, we present a constructive proof of Luroth's theorem in differential case. We also give a method to find the inversion maps for general differential rational parametric equations. As a consequence, w...In this paper, we present a constructive proof of Luroth's theorem in differential case. We also give a method to find the inversion maps for general differential rational parametric equations. As a consequence, we prove that a differential rational curve always has a set of proper parametric equations.展开更多
文摘In this paper, we investigate the Hansdorff dimension of a class of exceptional sets occurring in Oppenheim series expansion. As an application, we get the exact Hansdorff dimension of the set in Liiroth series expansion. Moreover, we give an estimate of such dimensional number.
基金This research is supported in part by CNSF under an Outstanding Youth Grant(No. 69725002) by a "973" Project.
文摘In this paper, we present a constructive proof of Luroth's theorem in differential case. We also give a method to find the inversion maps for general differential rational parametric equations. As a consequence, we prove that a differential rational curve always has a set of proper parametric equations.